ESET Smart Security 5 manuale d’uso

E S E T S M A R T S E C U R I T Y 5 User Gu i de ( i nt e nded f or p rod uc t v ersi on 5 .2 an d hi g her) M i c rosof t ® Wi ndows® 8 / 7 / Vi st a / XP / 2 00 0 / Home Server C li c k here to d ownl oad the m ost rec ent v ersi o n of thi s d ocum ent[...]

E S E T S M A R T SE C U R I T Y C opyrig ht ©20 12 b y E SET , s p ol. s r . o. E SE T S ma rt Sec urit y was dev elo p ed b y E SE T, s p o l . s r. o. For m o re inf o rm at io n visit ww w .eset.c om. A ll r ight s r eserved . N o part of th is d o c ument atio n m ay be r ep rod u c ed , st o red in a retrieval syst em o r t ransm it t ed in [...]

Conte n ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 ESET S m ar t S e c ur i t y 1. .. . .. . .. .. . .. . .. . .. . .. . .. . .. . .. . .. .. . .. . .. . .. . .. . .. . .. . .. . .. .. . .. . .. . .. . 5 W ha t' s ne w 1 .1 .. . .. . .. .. . .. . .. . .. . .. . .. . .. . .. . .. .. [...]

. .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . 88 Sub mission of files fo r analysis 4 .6 . 10 . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . 88 Syst em u p d at es 4 .6 . 11 . .. .. .[...]

5 1. E S E T S m a r t S e c ur it y E SE T Sm a rt Sec uri t y 5 represent s a new approac h to trul y int eg ra ted c o mput er sec uri ty. T he most rec ent versi o n o f t he T hrea tS ense® sca nni ng eng i ne, c ombi ned w i th our c ustom P ersonal fi rew al l a nd Anti spam module , uti l i zes speed and prec isi on t o keep y our c omput [...]

6 1 . 2 S y st e m r e qu i r e m e n t s For sea ml ess o perat i on of E SET Sm a rt Sec uri ty, t he sy st em should meet t he fol l owi ng hardwa re and soft wa re requi rem ents: M ic r os oft ® W i n dow s ® 2000, XP 4 0 0 MHz 3 2- b it (x86 ) / 64- b i t ( x 64) 12 8 M B RA M o f syste m mem o ry 3 20 MB a vai l a b le spa c e Super V GA ([...]

7 Fol low basic se cur i ty ru les T hi s i s the m o st useful and m ost ef fec t i v e rule of a ll – al w ays be c a uti ous. Today, ma ny inf i lt rat i o ns req ui re user i ntervent i on i n ord er to b e ex ecut ed and d is t ri b ute d. If yo u are c aut ious w hen op eni ng new f il es, y ou wi l l sa v e c o nsi d era b le t im e a nd e[...]

8 2. I ns ta l l a ti o n Once yo u la unc h the i nsta l l er, t he i nst al l a t ion wi z a rd wi l l g ui d e y ou t hroug h the set up process . Important: Ma ke sure tha t no other ant i virus p rog ram s a re i nst al l ed on y our c o mput er. If tw o or more a nti v i rus sol ut i o ns are inst a l led o n a si ng l e c omput er, t hey ma [...]

9 2 . 1 T y pi c a l i n st al l a t i on T yp i c al i nsta l l at ion mode prov i des c o nf i g ura ti on op ti ons approp ri at e f or m ost users. T hese set ti ng s p rov i d e ex c ell ent sec uri t y , ea sy set up a nd hi g h sy ste m p erf o rma nc e. T y p i ca l i nsta l l at ion mode is t he d ef a ult op t i o n and i s rec o m me nde[...]

1 0 T he nex t st ep in t he i nst al l a t ion p roc ess i s to conf igure d etec t ion of p ote nt ia ll y unwa nt ed a pp l ic at i o ns. P otent i a ll y unw ant ed appli c at ions a re not nec essar i ly m a li c i o us, b ut c an oft en neg at i vely af fec t the behavi or of y our op era ti ng system . See the Po te nt ia ll y unw a nt ed a [...]

1 1 2 . 2 C u st om i n s t a l l a t i on C ustom inst a l la ti on m od e is designed for users who ha ve ex peri enc e w i th fi ne-tuni ng p rog ram s and w ho w i sh t o m od i f y advanc ed set ti ng s during i nsta ll a ti on. Aft er selec t ing th i s in st al la t i o n mode and cl i ck i ng Ne xt , y ou w i ll be pro m pted to sele c t a [...]

1 2 T hi s i nst al l a ti on ste p al l o w s y ou to d esi g nat e how a utoma t ic prog ra m upd at es wi ll b e handl ed on y our sy stem . Cl i c k Chan g e. . . to ac c ess th e advanc ed sett i ng s.[...]

1 3 If y ou d o not wa nt p rog ram c o m po nent s t o be upd at ed , sel ect t he Ne v er u pdate p ro g r a m c ompon en ts op t i o n. Sel ect t he As k be for e downloading pr og r a m c ompon en ts op t i o n to d is pla y a c onfi rm at ion wi ndow eac h ti me the system a tt empt s to d ownl oad p rog ram c omponent s. To d ownl oad p rog r[...]

1 4 C li c k In stal l in t he R eady to i n stal l wi ndo w t o com plet e ins t a ll at i o n. A ft er the i nsta l l at ion i s com p l et e, yo u w il l b e prompte d to ac t i v at e y our pro duct . See Typic al ins t a l la ti on for more in f orma t i o n about pro duct a c ti vat ion. 2 . 3 P rodu c t a c t i v a t i on Aft er t he in st a[...]

1 5 2 . 4 E n t e ri n g u se r n a m e a n d pas sw ord For op t i ma l f unc ti onal i ty, i t i s im po rt a nt tha t the prog ra m is aut o m a ti ca l ly upd at ed. T hi s i s o nl y po ssi b l e if the c o rrec t userna me a nd passw ord are ent ered in t he Up date s e t up . If y ou d i d not ent er y our userna me a nd passw ord d uri ng i[...]

1 6 2 . 6 C om pu t e r sc a n Aft er inst al l ing E SE T Sma rt Sec uri t y, y ou shoul d p erf o rm a c o mput er sc an t o c heck for ma l i ci ous c o d e. In t he ma i n prog ra m wi ndo w , cl i ck C ompu ter s c an an d the n cl i ck S ma r t s ca n . For more in f orma t i o n about c omput er sc ans, see sec ti on C o mput er sc an .[...]

1 7 3 . B e g i nne r ' s g ui d e T hi s c hapt er p rovides an i nit i a l ov erview o f E SET Sm art Sec uri ty a nd i t s b as i c set ti ng s. 3 . 1 I n t r odu c i n g u se r i n t e r fa c e de si g n T he ma i n p rog ram w indow of E SE T Sm ar t Sec urit y is divi d ed int o t w o ma i n sec ti ons. T he p ri ma ry wi nd ow on t he r[...]

1 8 3 . 2 W h a t t o do i f t h e pr og r a m doe s n ' t w or k pr ope rl y If the m od ul es ena bled are w o rki ng prop erl y , t hey a re ass i g ned a g reen c heck . If not, a red ex c l am at ion po i nt or orange noti f ic at i o n ic on i s d i spl a yed . A d d i ti onal i nform at ion about the modul e is show n in t he upp er p a[...]

1 9 Lic e ns e e xp ire d – Thi s i s i ndic a t ed b y the P rotec ti on st at us i con turn i ng red . The prog ram i s not abl e t o upd at e af ter t he l ic ense ex pires . We rec omm end fol low ing th e ins t ruc ti ons i n the al ert wi ndo w t o renew yo ur li c ense. If y ou are una b l e to solve a pro blem usi ng the sug g est ed so l[...]

20 T he A dv anc ed set up w i nd ow ( c li c k S e tup i n t he ma in menu a nd the n cl i ck E nte r adv ance d s e t up .. . , o r p ress F5 o n y our keybo ar d) c o nt a ins a dd it i o na l upd at e opti ons. C l ic k Upd at e i n the Ad v a nc ed setup tree o n the l eft . T he Upd ate s e r v er dro p- d own m enu i s g rey ed o ut and set [...]

21 W ar ning: A n i ncorrec t trust ed zone c o nf igurat i on ma y p ose a sec urit y risk to y our c o mput er. NOTE: B y d ef aul t, workst at i o ns from a T rust ed zone are g rant ed ac c ess to sha red f i les a nd pri nt ers, ha v e inc omi ng RPC c o mm uni ca ti on ena b l ed an d have rem ote deskt o p shar i ng ava il abl e. 3 . 5 Pa r [...]

22 4. Wo r k wi th E S E T S m a r t S e c ur i ty T he E SE T Sm art Sec urit y setup op ti ons al low y ou t o a djust t he pro t ect i on l ev el s of y our c o mput er a nd net work. T he S etu p m enu cont ai ns fol low in g : Com pu t e r Ne tw or k W e b and E m ai l Par en ta l c on t r ol C li c k an y com p onent to adjus t the a d v a nc[...]

23 T he W eb an d Em ai l p rotec t ion setu p al l o w s y ou to ena ble or disa ble t he fol low ing c o mponent s: W e b acc e s s a n d an t i ph i s h i ng pr otecti on – If ena b le d, al l tr a ff ic throug h HTT P o r HTT P S is sc ann ed for ma l ic i ous soft w a re. Em ai l cl ien t pr ote c ti on – M oni t o rs com muni ca t ion rec[...]

24 4 . 1 C om pu t e r T he C ompu ter module c an be found in t he S etu p pane a ft er c li c kin g on t he C ompu t e r ti t l e. It sho w s an ov ervi ew of al l protec t i o n mod ul es. To t urn off i nd ivi d ua l modules tem p orar i ly, cl i c k Disable b el ow t he d esi red module. Not e tha t thi s m a y d ec rease the protec ti on o f [...]

25 dat aba se upd at e. Thi s b ehavi o r is conf igured usin g S m art op t im i z ati on . If t hi s i s d is a bled, al l fi l es ar e sca nned ea ch t im e t hey ar e ac c essed. To modif y thi s opti o n, press F5 to op en the Ad v a nc ed set up wi nd ow a nd c l ic k C ompu ter > A n ti v iru s an d antisp y w are > R e a l- ti m e fi [...]

26 4. 1. 1. 1. 3 A dv a n c e d s c an o p t io n s M ore d eta i led setup o pti ons c an be found under Com pu t e r > An ti v i r us and an t isp y w are > R e al -t im e s y ste m pr ote ct ion > Ad v ance d s etu p . A dditi on a l Thr eatS e n se par a m e t e rs for n ewl y c r eate d and modifi e d f il e s – The pro babi li ty o[...]

27 4. 1. 1. 1. 5 W h e n t o mo dif y r e a l -t im e p r o t e c ti o n co n f ig u r a ti o n Rea l-t im e protec ti on is t he most essent ia l com p onent of m a i nta i ni ng a sec ure sy ste m. A lw a ys b e ca ref ul w hen m od i f y ing i ts para met ers. We rec o mm end th a t y ou o nl y m od i f y i t s p a ra met ers in spec i fi c ca s[...]

28 4. 1. 1. 3 Co m p u te r s ca n T he on- d ema nd sc anner i s a n im p ort a nt p a rt of y our a nti v i rus sol ut i o n. It i s used to p erf o rm sca ns o f fi l es and fol d ers on yo ur com p ute r. From a sec urit y p oin t o f v i ew , i t is essent i a l th a t com p ute r sca ns are no t just run wh en an i nfec t ion is suspec ted, b[...]

29 4. 1. 1. 3 . 1. 2 Cu s t o m s c an C ustom sca n is a n o pti ma l solut i on i f y ou wi sh to speci f y sc a nni ng para met ers suc h as sc an t argets a nd sc anni ng m et ho ds. Th e advant age of C ustom sca n is t he abi li ty to conf igure the para me t ers i n d et a i l. C o nf i g urat ions c an be sa v ed to user- defi ned sc an pro[...]

3 0 4. 1. 1. 3 . 4 S ca n p r o g r e s s T he sc a n p rog ress wi ndo w show s the c urrent sta t us o f the sc an a nd i nf o rm a t ion about t he number of fi l es f ound tha t c o nt ai n ma l ic i o us code. NOTE: It is norma l tha t some fi l es, suc h as pass w ord p rotec t ed f i les or fi le s ex cl usi v el y being used b y the syste m[...]

3 1 To back g r ou n d – You ca n run an other p a ra ll el sca n. The runni ng sca n wi ll b e m i nim i z ed t o t he b ac kground . C li c k S ho w to b ri ng a sc an to the foregro und and ret urn to the sca nni ng p roc ess. S cro ll scan log – If enabl ed , the sc an l o g wi l l sc roll do w n aut oma ti c a l ly as new entri es ar e add[...]

3 2 L i st s of fi l es t o be sc a nned a re fi x ed for ea ch g roup . S ca n pr ior it y – A l ev el of p ri o ri ty to use for t he sc a n sta rt : No rmal – at an a verage system loa d , Lowe r – at a low sy st em loa d , Lowe s t – whe n the system loa d is the l o we st p ossi b le, W he n i dle – th e ta sk wi l l b e p erf o rm e[...]

3 3 Examples If y ou wi sh to ex cl ude al l fi l es i n a f older, t y p e the pat h t o t he fol d er and use t he ma sk “*. * ”. T o ex c lude an ent ire dri ve i nc ludi ng al l fi l es and sub f olders, use the ma sk "D:* " . If y ou wa nt t o ex cl ud e d oc f i les onl y , use the m ask “* .d oc“. If the na me of an execut[...]

3 4 4. 1. 1. 6. 2 Op ti o n s Use the O ptions sect i on t o sel ec t the m et ho ds used when sca nni ng the syste m f o r inf i lt rat i o ns. The f o l l o w i ng o pti ons a re ava il a ble: He u r i stic s – A heuri sti c is an al g ori t hm ana l y zi ng t he ( m a l ic i o us) ac t i v i t y of p rog ram s. The m ai n a dv an t a g e is t [...]

3 5 4. 1. 1. 6. 4 Ex te n s i o n An ex te nsi o n is a p a rt of a f il e nam e deli m i ted by a p eri o d. A n ex tens i o n d efi nes the type and cont ent o f a fi l e. T hi s sec ti on of t he Thr ea tSe nse para met er setup l et s y ou d ef ine t he types o f fi le s to sca n. B y d ef aul t, a ll fi le s are sc anne d reg ar dless o f thei[...]

3 6 4. 1. 1. 6. 6 Ot h e r Y ou c an c onfi g ure the fol low ing op ti ons in t he Ot he r sec ti on: Log al l objects – If t hi s op t i o n is sel ect ed, t he log fi l e wi l l show a ll t he sc a nned f il es, ev en those not i nfec t ed . For ex a mple , if an i nf il tr a ti on is found wi t hi n a n arc hi v e, the l o g w i ll li st al s[...]

3 7 Cl e anin g a n d de leting If there is no predefi ned ac t i o n to ta ke for Rea l-ti m e fi l e sy st em p rote c ti on, y ou w i ll b e a sked to sele c t an o pti on i n an a lert wi nd ow. Usua ll y the opti ons C lean , De l e te a nd No act i on a re ava il a ble. Sel ec ti ng No act ion is not rec omm end ed, a s thi s wi l l le a v e [...]

3 8 4. 1. 2 R e m o v abl e m e dia E SE T Sm a rt Sec uri t y pro vides aut oma ti c removabl e me dia ( CD/DVD/USB /...) c ontr ol. Thi s mod ul e al l o w s y ou to sc a n, bloc k o r adj ust ex tended f i lt ers/perm i ssions a nd sel ect how t he user ca n ac c ess an d work w it h a g iven d evic e. Thi s ma y be usef ul i f the c o m puter a[...]

3 9 Ca tegor y – Removabl e m edia t y p e (C D/D VD/USB ) . De scr i pti on – Fi lt er d evic e rule s d esc ript ion. R i ghts – Asso c ia te d p erm issi ons o f g i v en d evic es, tha t m at ch t he c ri teri a set b y f il te r. Ne w – Crea te a new fi l t eri ng rem o vabl e medi a rul e. Edit – Sel ec t o ne row an d cl i ck thi s[...]

4 0 4. 1. 3 H o s t- bas e d In t r u s i o n Pr e v e n t io n S y s t e m (H IPS) Ho st-ba se d I n t r u s ion Pr e v e ntion Sy ste m ( HIP S) p rot ec ts yo ur sy ste m f ro m ma lw ar e and unwa nt ed ac t ivi t y a tt empt i ng to neg at i v el y af fe c t y our c o mput er. HIP S uti l i zes a d v an c ed behavi o ra l a na lysi s coupl ed [...]

4 1 A d i a log wi nd ow i s shown every ti me i f As k i s th e d efa ul t ac t ion. It a ll ows th e user to choose to Den y or A ll ow the op era ti on. I f the user do es no t choose an a ct i on i n the g i v en ti me, a new ac ti on is sel ect ed b a sed on t he rul es. T he d i al og wi nd ow a ll ows y ou t o c reat e a rul e b a sed on an [...]

4 2 4 . 2 N e t w or k T he P ersona l fi rew al l cont rols a l l net work t ra ff ic to and f ro m the system . T his i s ac c o mpl i shed by al l o w i ng o r d enying i nd i vidua l net w ork connec t ions b a sed on spec i fi ed fi l t eri ng rul es. It p rov i d es p rotec t i o n agai nst at ta c ks f rom rem o t e c o mput ers and ena b l [...]

4 3 4. 2. 1 F il te r i n g m o de s Fi ve f i lt eri ng modes a re ava il a ble f or the E SE T Sm ar t Sec urit y P ersonal fi rew al l. Fi lt eri ng modes c an be found i n A dva n ced s etu p ( F5) by c li c ki ng Ne tw or k > Pe rs on al f ire w al l . Th e b eha vior of t he fi rew al l cha ng es b ased o n the sel ec t ed mode. Fi lt eri [...]

4 4 4. 2. 2 F ir e w a ll p r o fi le s Pro f i les c an be used to cont rol t he b eha v i or of t he E SE T Sm ar t Sec urit y P ersonal fi rew al l. . When cr ea ti ng or edit i ng a Personal f i rewa l l rul e, y ou c an a ssi g n i t to a speci f ic profi le o r have it apply t o every p rofi l e. When yo u sele c t a profi l e, onl y the g l [...]

4 5 4. 2. 3 C o n fi g u r in g an d u s in g r u le s Rul es rep resent a set o f condit i o ns used to mea nin g ful l y t est al l net w o rk c onnec ti ons an d al l ac t i o ns assi g ned to the se c o ndit i ons. Wit h the Personal f irew a l l, yo u ca n defi ne wha t a ct ion t o t a ke i f a c o nnec ti on defi ned b y a rul e i s est abl [...]

4 6 4. 2. 3 . 1 R u l e s s e tu p Rul es setup al l ows yo u to v i ew al l rul es appli ed on t he tra f f ic g enera ted b y indi v idua l a pp l ic at i o ns wi thi n tru st ed z ones a nd th e Inter net . By d ef a ul t, rul es a re added aut o m a t i ca l l y ac c o rding t o user rea ct ions t o a new c o m mun i ca ti on. To view more inf [...]

4 7 rem o t e IP addresses or zones f o r a g iven rul e. Pr otocol represent s the tra nsf er pro t ocol used f or t he rul e. C l ic k S ele c t pr otocol.. . to op en the P rotoc ol sel ec t i o n w i nd ow. All rules a re ena b le d F or e v e ry p rofi l e by d ef aul t. A lt erna ti vely, sel ec t a c ustom fi rew al l p rofi l e usi ng the P[...]

4 8 4. 2. 4 Co n f ig u r i n g z o n e s In the Z on e s e t u p wi ndo w y ou ca n sp ec if y the z o ne nam e, d esc ri p t i o n, netw ork address l ist and z o ne aut hent i ca ti on ( see Zone aut hent ic a t i o n – C li ent conf igura t i o n ) . A zone represent s a col le c ti on of net w o rk addresses whi c h c rea te one log i c al g[...]

4 9 T here a re tw o aut hent ic a ti on types a vai l able : 1) Us ing E S ET auth en ti c ati on s er v e r Zone aut hent ic at i o n searc hes for a sp ec if i c server in t he netw ork and uses a sy mm etri c enc ry pti on ( RSA) to aut hent ic a te t he server. The a uthent i c at ion pro c ess i s repeat ed for ea ch net work y our com puter [...]

50 Server c o nf i g urat ion ) . Th e nam e o f t he a uthenti c ation z o ne d o es no t m a tc h the s er ver z o ne. T he conf i g ured z one na me d oes no t correspond wi t h the a uthent i ca ti on server zone. Revi ew b oth z o nes an d ensure t heir na mes a re i denti c al . Ser ver authenti ca ti o n fail ed . Ser ver a dd r es s no t fo[...]

51 4. 2. 5 Es tab li s h i n g c o n n e ct io n - de te c t io n T he P ersona l fi rew al l d ete c ts ea c h new l y - c rea ted netw ork connec t i o n. The a c ti ve fi rew al l mode d et ermi nes whi c h a ct ions a re perform ed for the new rul e. If A u t oma ti c m ode or Polic y - base d mode i s ac t iva t ed , t he P ersona l fi rew al [...]

52 A thoroug h ana l ysis of t his dat a c an hel p detec t at tem pts to c ompromi se system sec urit y. Ma ny o t her f a c tors in dic a t e po t enti a l sec uri ty risk s and al l ow yo u to mi nim i ze t hei r i mpac t : too frequent c onnec ti ons fr om unknow n l oca t i o ns, m ul ti ple a t t empts to esta b l ish c o nnec ti ons, unknown[...]

53 Usi ng the p l ug - i n pro g ra m for y our em a i l c li ent , E SE T Sm art Sec urit y p rov i d es c o nt ro l of al l com muni c a ti o ns fr om th e em ai l c li ent ( P OP 3 , MAP I, IMAP , HT TP). T he An ti sp a m pr ote c t ion fi lt ers unsoli c it ed ema i l mess a g es. Disable – Deac ti vat es web/em ai l/a nt ispa m p rote c ti [...]

54 4. 3 . 1. 1 H T TP, H TT Ps B y d ef aul t, E SET Sm art Sec uri ty i s c onfi g ured to use the st andar ds of most Int ernet bro w sers. Ho w ev er, the HT TP sc anne r setup op ti ons ca n be modi f i ed i n Ad v ance d s e t up (F 5 ) > W eb an d e ma il > W eb acces s and antiph i sh ing pr ote ct ion > HTTP, HTTPS . In the m a in [...]

55 4. 3 . 1. 2 U R L addre s s m an ag e m e n t T he URL a d d ress ma nageme nt sec t ion enabl es yo u to sp ec if y HTT P a dd resses to b l o c k, a ll ow or ex c lude from chec ki ng . T he Ad d , Edi t , R emove a nd Expo rt b utt ons are used to ma na g e the l ist s o f a d d resses. Websi tes i n t he li st of b l o c ked a d d resses w i[...]

56 4. 3 . 2 Em a il cl i e n t p r o t e c ti o n E ma i l pro t ec ti on prov ides c ontr ol of em ai l com m uni ca ti on rece i v ed through the P O P 3 and IMAP protoc o l s. Usi ng the plug- i n for Mi c ro soft O utl oo k and o t her e-ma il cl i ent s, E SE T Sma rt Sec uri t y pro vides cont rol of a l l c o mm uni ca ti ons f ro m t he ema[...]

57 In thi s sect i o n, y ou ca n conf igure P O P 3 and P O P 3 S p rotoc ol c hec ki ng . Enable POP3 pr otocol c h eck i n g – I f enabl ed , al l tra ff i c th roug h P OP 3 is m oni t ored for ma l ic i ous soft w a re. Por ts u s e d by POP3 pr otocol – A l i st of po rt s used b y the P OP 3 p rotoc ol ( 1 10 by d ef aul t) . E SE T Sm a[...]

58 4. 3 . 2. 3 In te g r at i o n w i t h e m a il cl i e n ts Int eg rat ion of E SE T Sma rt Sec urit y wi t h ema il cl i ents i ncr ea ses t he le vel of a ct ive pro t ect i on a g a i nst ma l ic i ous c o de i n em ai l m essa g es. I f y our em a i l c l ient is suppo rt ed, t hi s i nt eg rat ion c an b e enabl ed in E SE T Sma rt Sec uri [...]

59 E ven i f int eg ra ti on is no t enabl ed , ema il com muni ca t i o n is st il l p rotec t ed by t he ema i l cl i ent protec t i o n module ( P O P 3 , IM AP ). 4. 3 . 2. 3 . 1 Ema il cl i e n t p r o t e c ti o n co n f ig u r a ti o n T he E ma il cl i ent pro t ect i on m od ul e supp orts t he fol low in g em ai l c li ent s: M i crosof t[...]

6 0 4. 3 . 3 A n t i s p a m p r o t e c ti o n Unsol ic i t ed ema i l, c al l ed spam , ra nks am o ng t he g rea t est pro blem s o f el ec t roni c c o mm uni c at ion. Spa m represent s up t o 8 0 p erc ent of a ll em ai l c o m mun i ca ti on. A nti spam protec t i o n serv es to pro t ec t a g ai nst th i s pro blem . Combi nin g severa l ef[...]

6 1 S ta r t e m a il cl i e nt antisp a m pr ote c t ion automat ic al ly – When ena b l ed, a nt ispa m p rote c ti on wi l l be aut oma ti c al ly a ct iva ted at sy st em st a rt up . Enable adv ance d antispam con tro l – A d dit i onal ant i spam dat aba ses wi l l be d ownl oaded, i ncrea si ng ant i sp a m c apa bil i ti es a nd prod uc[...]

6 2 4. 3 . 4 . 2 Ex c lu de d ap p li ca ti o n s T o ex c lude com muni ca t i o n o f sp ec if i c net w ork-aw are appli c at ions f rom c o nt ent fi l teri ng , sel ec t t hem in the l ist . HTT P / PO P 3 /I M AP c omm uni c at ion of the sele c ted appli c a ti ons wi l l not be c hec ked for t hrea ts. We rec omm end using th i s op t ion o[...]

6 3 4. 3 . 4 . 3 Ex c l u de d IP addre s s e s T he ent ri es i n the add resses l ist wi ll b e ex cl uded f rom t he pro t ocol c o nt ent fi l teri ng . HTT P /PO P 3 /IMAP c omm uni c at ion f ro m/ t o t he sel ec ted add resses w il l no t b e chec ked for thre a t s. We rec o mm end usi ng thi s opti on only for add resses t hat ar e trust [...]

6 4 4. 3 . 4 . 4 S S L p r o to c o l ch e c k i n g E SE T Sm a rt Sec uri t y ena bles yo u to chec k protoc o l s enc a psul a t ed i n SSL pro t ocol . You ca n use v a rious sc a nning modes f o r SSL p rotec t ed c o mm uni ca ti ons using t rust ed c erti f ic at es, unknow n ce rt if ic a tes, or cert i fi c a t es tha t are excl ud ed fr o[...]

6 5 4. 3 . 4 . 4. 1. 2 Ex cl u de d ce r ti fi c at e s T he E x cl ud ed c ert if i ca tes sect i o n cont ai ns cert i fi ca t es tha t are c o nsi d ered sa f e. Th e cont ent of encr yp ted c o mm uni ca ti ons uti li z ing t he ce rt if ic a tes i n the li st wi l l not b e chec ked for thr ea ts. We rec o m m end only ex cl uding we b c erti [...]

6 6 not be c heck ed a t al l . 4 . 4 P ar e n t a l c on t rol T he P ar ent al c o nt ro l module a ll ows yo u t o c o nf i g ure parent a l cont rol set ti ng s, whi c h p rovide p ar ent s wi t h aut oma ted t o ols t o hel p p rotec t thei r ch i ldren and set rest ri ct ions f or usi ng d evic es an d servic es. The g o al is t o prevent c h[...]

6 7 It is i mporta nt to p rotec t the set ti ng s in E SE T Sma rt Sec uri t y wi t h a passw ord . Thi s p as sw ord ca n b e set i n the Acc ess set up sect i o n. If no passw ord i s set , a w a rni ng w i ll a p p ea r under t he Pare n t al contr ol op ti on – Pare ntal co ntr o l i s no t pr o tec te d by a pa s s wo r d ! – a nd S et pa[...]

6 8 4. 4. 1 Lis t o f all o w e d cat e g o r ie s o f w e b p ag e s If the c heck b ox nex t t o a ca tegory i s sel ect ed, i t is a ll owed. D esel ect the c heck b o x nex t to a spec if ic ca t eg ory to b loc k it f o r the sel ect ed ac c o unt . Movi ng the mouse ov er a c at eg ory w i ll show y o u a l i st of w eb pag es tha t fa ll int[...]

6 9 a ll owed based o n y our c hoi c e of URL - based ac ti on. No t e : Bl ock ing or a l low ing a spec if ic web p age c an be more a c cura t e tha n b loc ki ng or al l o w i ng a w hole ca te g ory of w eb pages. Be c a reful when c hanging t hese set ti ng s a nd adding a ca te g ory /w eb pag e to the l ist . 4 . 5 U pda t i n g t h e pr o[...]

7 0 Up da te pr oces s Aft er cl i c ki ng Update v iru s s i g natur e dat abase , the do wn l o ad p roc ess b eg i ns. A d ownl oad p rog ress b ar a nd rem ai ni ng ti me t o d o w nloa d wi l l be d i sp l ayed . To int errupt the upd a t e, c l ic k Abor t . Important: Und er norma l c irc um st anc es, when up d a tes a re d ownl oaded pro p[...]

7 1 T he p revi o us no t i fi ca t i o n is rel at ed to the fol low ing tw o Vir u s sig n at u r e d a ta base u pdat e f ai led m essa g es a bo ut unsuc ce ssf ul upd at es: 1. In v a li d Us e rn am e and / or Pas s w or d – The userna me a nd passw ord ha v e been inc orrec tl y entere d in up d a te set up. We rec o m m end t ha t y ou c [...]

7 2 4. 5. 1 U p date s e t u p Upd at e setup op ti ons are a v ai l abl e from the A dv a n c ed se tup t ree ( F5 key) b y cl i c ki ng Update > Up date . Thi s sect i on spec i fi es up d a te sourc e inf orma ti on, such a s the up d a te servers and aut hent i ca ti on dat a f or t hese servers. B y d ef a ult , t he Upd ate s e r v er d ro[...]

7 3 4. 5. 1. 1 U p dat e p r o f il e s Upd at e p rofi l es c an be cr ea ted for v ar i o us up d a te c onfi g ura ti ons an d ta sks. C rea ti ng up d a t e p rofi l es i s espec i al ly useful f o r mob i le users, w ho ca n c reat e an a l terna t i v e p rofi l e for Inte rnet c o nnec ti on pro pert i es t ha t reg ul a rl y c hange. T he S[...]

7 4 4. 5. 1. 2. 2 Pr o x y s e r v e r T o a c cess the prox y server setup o pti ons f or a g iven upd at e p rofi l e, c l ic k Update in the Ad v a nc ed set up tree ( F5) and t hen c l ic k the S e t up .. . b utt on to th e right of A dv a n c ed upd a te s e t up . Cl i ck the HTTP P r oxy ta b and sel ec t one of t he t hree f ol l o wi ng o[...]

7 5 4. 5. 2 H o w to c r e at e u p date tas k s Upd at es ca n b e tri g g ered ma nual l y by c l ic ki ng Upd a te vi r us signatur e dat aba s e i n the pri ma ry wi ndow d i spla yed a f ter c li c kin g Up da te f ro m the m a i n men u. Upd at es ca n al so be run as sc hed ul ed ta sks. T o c o nf igure a sche duled ta sk, cl i ck T ools &g[...]

7 6 S ubmit fi le for analy sis – All ows yo u t o submi t a suspic i o us fi le for ana l ysis t o E SET's V irus L a b. T he d i a l o g w i nd ow displ ayed af te r cl i ck i ng thi s o pti on i s d esc ribed i n the Submi ssion of f i les f o r ana l ysis sec ti on. ES E T S y s R e scue – L a unches the E SE T Sy sResc ue cr ea ti on [...]

7 7 system . A n ti s pam pr otecti on – Cont ai ns records rel a ted t o em a il m essa g es t ha t were ma rked as sp a m . Par en ta l c on t r ol – Show s web p a g es b l ock ed or a ll owed b y P a renta l cont rol. T he Match t ype a nd Match val ues c o l umns te l l y ou how t he fi l teri ng rule s were appli ed. In eac h sect i o n, [...]

7 8 B y d ef aul t, t he f oll owi ng sche duled ta sks are displ ayed i n S c he du l e r : Log ma inte nan ce R e g u l a r automa ti c up date A u toma ti c u pdate after dial - u p con ne ct ion A u toma ti c u pdate after u s er log on R e g u l a r c h e c k i n g for l at e st pr odu c t v er s i on (se e Up dat e m od e ) A u toma ti c s t [...]

7 9 3 . Enter a nam e o f t he t a sk a nd sel ect one o f t he t i mi ng op ti ons: Once – The t ask wi ll b e p erf orme d only onc e, at the pred ef ined d at e and ti me. R e pe at e dl y – The t ask wi ll b e p erf o rm ed at the speci f ied int erval (i n ho urs) . Dail y – The t a sk w i ll run ea c h d a y at t he speci f i ed t i me.[...]

8 0 4. 6. 2. 1 Cr e a ti n g n e w t as k s T o c reat e a new ta sk in Sc hedule r, cl i ck the A dd. . . b ut t on or right-c l ic k and sel ec t Ad d.. . from the c o nt ex t men u. Fi v e t y p es o f sche duled ta sks are avai l abl e: R un e xte rn al appli cat i on – Sc hed ul es th e ex ecut i o n o f an ex te rna l a p pli c a t i o n. L[...]

8 1 4. 6. 3 Pr o te ct io n s ta ti s t i cs T o view a g raph of sta t i sti c a l d a ta rel at ed to E SET Sm art Sec uri ty's p rot ec ti on modul es, c l ic k Tools > Pr otecti on s t at i s t i cs . Sel ec t t he d esi red p rotec t ion module f ro m the S ta ti stic s d rop -d o w n menu t o see th e corres po nding g ra ph a nd l eg[...]

8 2 4. 6. 4 W a tc h a ct iv i t y T o see the curr ent F il e s y ste m ac ti v it y in g raph form , c l ic k Tools > W a tc h act i v it y . At the bott o m of t he g ra ph i s a t im eli ne whi c h rec o rds Fi l e sy st em ac t ivi t y rea l-ti m e b as ed on the sele c ted t im e span. To cha ng e t he ti m e sp a n, c l ic k the S tep 1. [...]

8 3 T he fol low in g a ct ions a re ava il a ble: Com par e – C ompa res t w o ex i sti ng l o g s. Cre at e .. . – C reat es a new log . P l ea se wa i t unti l the E SET SysInspect or l o g i s com p l ete ( S tat us sho w n as C reat ed). De l e t e – Rem o ves sel ec t ed l og s f rom t he li st . Aft er right-c l ic ki ng one or m ore s[...]

8 4 yo u if f urt her i nform at ion i s required for ana l y sis. P lea se note t ha t y ou wi l l not rec ei v e a respo nse fr om E SE T unl ess m ore inf orma ti on i s needed . Sel ec t t he E n abl e l ogg i ng opti on to cr ea te a n ev ent log to rec o rd fi l e an d sta ti st ic a l in f orma t i o n sub mi ssi ons. It ena b l es l o g g i[...]

8 5 B y c l ic ki ng a g i v en appli c at ion at the bo tt om, t he fol low in g i nform at ion w i ll a p pear a t the bo t t om of t he wi ndo w : Fi l e – L oca t i o n o f an appl ic at i o n o n y o ur com p ut er. Fi l e siz e – Fi le si ze in B (bytes) . Fi l e des cription – Fi l e c ha rac te ri sti c s b a sed on t he d esc ript io[...]

8 6 Ope n in a n ew w i n dow – D i sp l ays i nform at ion i n a separa t e wi ndo w . T he C on f ig ur e con n ecti on v i e w . . . op t i o n in t he Net work c o nnec ti ons sc reen enter s the a d v a nc ed setup struc t ure for t his sec ti on, ena b l i ng y ou to modif y connec t i o n v i ew op ti ons: R e s ol v e hos t name s – If [...]

8 7 4. 6. 9 Qu ar a n t in e T he ma i n func t i o n o f the quara nti ne i s to saf el y st ore inf ec ted f i les. Fi les shoul d be q ua ra nti ned i f they ca nnot be c lea ned, i f it is not sa fe or a dv i sa b le to d el et e the m or if t hey a re b ei ng fa l sel y detec t ed by E SE T Sm ar t Sec urit y. Y ou c an c hoose t o quara nti n[...]

8 8 4. 6. 10 S u bm i s s i o n o f f il e s fo r an al y s is T he fi l e submi ssi on dia log ena bles yo u to send a fi l e to E SE T f o r ana l ysis a nd c an b e found i n Tools > S ubmi t fi l e for analy sis . If y ou f i nd a suspic i ousl y b eha v in g f il e o n y o ur com p ut er, y ou c an submi t i t to E SE T' s Vi rus L ab [...]

8 9 4 . 7 U se r i n t e rf ac e T he Us er inte rface sec ti on a l low s y ou to c onfi g ure the behavi or of the p rog ram 's Gra p hi ca l user i nterf a c e ( GUI) . Usi ng the Gra phic s tool , y ou c a n adj ust th e p rog ram 's visua l appeara nc e an d eff ec ts used. B y c onfi g uri ng A l ert s a nd noti fi c at i ons , y o [...]

9 0 4. 7 . 2 A l e r ts an d n o t if ic at i o n s T he Ale rts a n d no t i fi c ati on s sec t ion und er Us er inte rface al l o w s y ou to conf i g ure how thr ea t al ert s a nd sy st em noti f ic at i o ns (e. g . succ essf ul upd a t e mess a g es) ar e handl ed b y E SE T Sma rt Sec uri t y. You c a n al so set d i spl a y ti me and t he [...]

9 1 T he Di s pl ay on ly n oti f ic at ions r eq u irin g us er ’s in t e r a ct ion opti on al l o ws y o u to tog g l e al ert s an d noti fi c at ions t ha t requi re no user int era ct i on. Sel ect Disp l a y on l y no t i fi ca ti on s r e quir i ng u s e r’s i nte racti on w he n r un nin g a pplic at ion s in fu ll s cre e n mode to su[...]

9 2 4. 7 . 4 A cc e s s s e t u p In o rder t o prov i de ma x i mum secur i ty f or yo ur sy st em , it is essent i a l for E SE T Sm ar t Sec urit y to b e correc t l y c onfi g ured. Any unqual i f ied cha ng e m a y resul t i n a l o ss o f im p orta nt d at a . Thi s o pti on i s loc at ed i n the A cc e ss se tup sub me nu under Us e r in t e[...]

9 3 4. 7 . 5 Pro gr am m e n u Som e of the most im p ort a nt setup op ti ons and fea ture s are a v ai l abl e in t he ma i n p rog ra m menu. Fre qu en tl y us ed – D ispl ays the m ost f req uent ly used part s o f E SET Sm art Sec uri ty. You ca n quic kl y ac c ess the se from t he pro g ra m menu. Te mpor a r i l y disable pr ote ct ion ?[...]

9 4 A bou t – P rovides sy st em inf orma ti on, d eta i ls a bo ut the i nsta l l ed versi o n o f E SET Sm art Sec uri ty a nd the inst a l led prog ra m module s. Here, y ou c an al so fi nd the l ic ense ex pira ti on d at e. A t t he b ott om, y ou c an fi nd i nf o rm a t ion about t he op era ti ng system a nd sy st em resourc es. 4. 7 . 6[...]

9 5 5. A d v a nc e d use r 5. 1 Pr ox y s e r v e r se t u p In la rg e L AN net works, the c o nnec ti on of yo ur com puter to the Int ernet ca n be medi at ed b y a p rox y server. If thi s is t he c ase, t he f oll owi ng sett i ng s need to b e d efi ned. O t herwi se the p rog ram w i ll not be a ble t o upd a t e it sel f aut oma ti c al l [...]

9 6 5. 3 Ke y b oar d sh ort c u t s Key short cut s t hat c a n b e used when w orki ng wi t h the E SET Sm art Sec uri ty i ncl ude: C trl +G disa bles GUI i n the prod uct C trl +I op ens th e E SE T SysInspect or page C trl +L op ens th e L o g f i les page C trl +S op ens th e Sc hed ul er page C trl +Q op ens th e Quara nt i ne page C trl +U [...]

9 7 /m a x -sfx- siz e=SIZE onl y sc a n the f il es in a sel f -ex tra ct i ng arc hi v e if t hey a re sma l l er t ha n SIZE megaby t es ( d efa ul t 0 = unl im it ed) /m a il sc an em a il f il es (def aul t) /no- m a i l do no t sca n ema il fi l es /m a il b ox sc an m a i lbox es ( d efa ul t) /no- m a i lbox do no t sca n ma il bo x es /sf [...]

9 8 5. 5. 1. 1 S t ar t i n g E S ET S y s In s p e c to r T o st art E SE T Sy sInspec tor, si m ply run t he SysI ns pec to r . ex e ex ecut a ble yo u do w nl o a ded f ro m E SET's websi te. If y o u a lrea dy have one of t he E SE T Sec uri ty sol ut ions in st al le d, y ou c an run E SET SysInspect or direc t ly f ro m the St art Menu ([...]

9 9 List C o nt a i ns f unc ti ons f or ea sier navi g a ti on wi t hi n th e p rog ram a nd vari ous other func t i o ns li ke fi ndin g i nform at ion onli ne. He lp C o nt a i ns i nform at ion about t he appl ic at i o n and i ts f unc ti ons. De t ai l T hi s set ti ng i nf luenc es th e inf orma ti on d ispl ayed i n the M a in w i nd ow to [...]

1 0 0 vit a l func t i o ns for other user a pp l ic at i o ns. In c erta i n ca ses, suc h p roc esses a re d i sp l ayed in t he tool E SE T SysInspec t or w i th f i le pat h beg inni ng wi th ??. T ho se sy mbol s p rovide p re-la unc h o pti mi z at ion for t hose p roce sses; t hey a re saf e for t he sy st em. Ne tw or k con ne c ti on s T[...]

1 0 1 4 , U unknow n, ri sk level 4 - 9 it em s are displ ayed 5 unknow n, ri sk level 5- 9 i tem s a re d i sp l a y ed 6 unknow n, ri sk level 6 - 9 it em s are displ ayed 7, B ri sky, ri sk l ev el 7 - 9 it em s are displ ayed 8 ri sky, ri sk l ev el 8-9 it ems a re displ ayed 9 ri sky, ri sk l ev el 9 i tem s a re d i sp l ayed - decr ea ses ri[...]

1 0 2 5. 5. 2. 3 Co m p a r e T he Com p a re fea t ure al l o w s the user t o c o mpa re t w o ex i sti ng l o g s. The outc ome of t hi s f ea ture i s a set of i t em s not c o mm on t o bo th log s. It i s suit a ble i f y ou w a nt to keep tra ck of c ha ng es in the system , a hel pful tool f o r d ete c ti ng a ct ivi ty o f m a li c i o us[...]

1 0 3 5. 5. 3 Co mm an d li n e p ar am e t e r s E SE T SysInsp ec tor supp orts g enera ti ng rep ort s from the c o m m a nd l i ne usi ng these p a ra met ers: / g e n g enera te a log d i rec tl y from th e com ma nd l ine w it hout runni ng the GUI / pr i v ac y g enera te a log ex cl uding sensi ti ve i nform at ion / zi p st o re the resul [...]

1 0 4 5. 5. 4 . 2 S tr u ct u r e o f th e S e r v i ce s c r i p t In the f irst l ine o f t he sc ript ’s hea d er, y ou ca n fi nd inf orma t i o n about the E ng i ne versi on ( ev ) , GUI v ersi on ( g v) an d the L og v ersi on ( l v ) . You ca n use t hi s d a t a to tra c k po ssi b l e ch a ng es in the .x m l fi l e tha t g enera t es t[...]

1 0 5 E x am ple: 0 4 ) U D P e n d p o i n t s : - 0 . 0 . 0 . 0 , p o r t 1 2 3 ( n t p ) + 0 . 0 . 0 . 0 , p o r t 3 7 0 2 - 0 . 0 . 0 . 0 , p o r t 4 5 0 0 ( i p s e c - m s f t ) - 0 . 0 . 0 . 0 , p o r t 5 0 0 ( i s a k m p ) [ . . . ] When t he sc ript runs, it wi ll isol at e the owner o f the soc ket a t the m a rked UD P end po i nts a nd[...]

1 0 6 E x am ple: 0 8 ) D r i v e r s : - N a m e : M i c r o s o f t A C P I D r i v e r , e x e p a t h : c : w i n d o w s s y s t e m 3 2 d r i v e r s a c p i . s y s , s t a t e : R u n n i n g , s t a r t u p : B o o t - N a m e : A D I U A A F u n c t i o n D r i v e r f o r H i g h D e f i n i t i o n A u d i o S e r v i c e , e x [...]

1 0 7 Ho w do I vi e w t he ES E T S y sIn s pector l og fi l e ? T o view a log fi l e c rea ted b y E SET SysInsp ec tor, run the prog ram a nd sel ect Fi l e > O pe n L og f rom t he ma i n menu. Y o u c an a l so d rag a nd d rop log fi l es onto the E SET SysInsp ec tor appl i ca ti on. If y ou need to fr equent l y view E SE T SysInspec t [...]

1 0 8 5. 5. 6 ES ET S y s In s p e c to r as p ar t o f ES E T S m ar t S e cu r i t y T o op en the E SET SysInspect or sec ti on i n E SE T Sm art Sec urit y , cl i ck T ools > E S E T S y sIn s pector . T he ma na g eme nt system i n th e E SET SysInspect or w i nd ow i s sim i l ar t o t ha t o f com p ute r sc a n log s, or sc hed ul ed ta [...]

1 0 9 5. 6. 2 H o w to c r e ate r e s c u e CD T o l aunc h the E SE T Sy sResc ue wi z a rd , c li c k S ta r t > Pr og r am s > ES E T > ES ET S ma r t S e cur it y > E S E T S y sRes c u e . Fi rst , t he wi z a rd c heck s for th e p resenc e o f Wi ndo w s A IK and a sui t a ble dev i ce f or the bo ot medi a c reat i on. I f Wi n[...]

1 1 0 5. 6. 4. 2 ES E T A n t iv ir u s For c reat i ng the E SE T Sy sResc ue CD, y ou ca n sel ec t t w o sourc es of E SE T f il es to b e used by th e com p i l er. ES S / EAV folder – Fi les a lrea dy c onta i ned i n th e fol d er to whi c h the E SET Sec uri t y solut i on i s in st al le d on the com puter . M S I fi le – Fi l es cont a[...]

1 1 1 5. 6. 4. 6 B u r n If y ou have sel ec ted CD/DVD a s y our t a rg et medi um, y ou c an speci f y addit i onal b urni ng p a ram eter s o n the Bur n t ab. De l e t e ISO fi l e – Chec k t hi s op ti on to d ele t e the t emporar y ISO fi l e af te r the E SE T SysResc ue C D is c rea t ed. De l e t i on e n abl e d – E nabl es y ou t o [...]

1 1 2 6 . G l o ssa r y 6 . 1 T y pe s of i n fi l t r a t i on An Infi l tra ti on is a p i ec e of ma l ic i ous soft w a re tr ying t o ent er a nd/o r d am age a user’s c omput er. 6. 1. 1 V ir u s e s A com p ut er v i rus i s a pie c e of ma l i ci ous c o d e tha t i s pre- pend ed or appended to ex ist i ng fi le s o n y our c omput er. V[...]

1 1 3 6. 1. 4 R o o t k i ts Rootk i ts a re ma l i ci ous pro g ra ms tha t g ra nt Int ernet a tt ac kers unl im i t ed ac c ess t o a sy st em , whi l e c onc ea li ng t heir presenc e. Roo tk it s, af ter ac ce ssi ng a system (usua l l y ex ploi ti ng a sy st em v ul nerabi li t y ), use fu nc ti ons i n the operat i ng system t o a v oid dete[...]

1 1 4 6. 1. 8 Po t e n ti al l y u n w a n t e d ap p li ca ti o n s Pote ntial l y un w ante d appli ca ti on s ( P UA s) are not nec essa ril y in t ended to b e m a li c i o us, b ut m ay af f ec t t he perf orma nc e of y our c o mput er in a neg at ive wa y. Suc h a pp l ic at i o ns usual l y require consent for inst a l la ti on. If the y ar[...]

1 1 5 6. 2. 5 TCP de s y n c h r o n i za ti o n T C P d esynch roni z at ion i s a t ec hnique used in TC P Hi ja c ki ng a t ta ck s. It i s tr i g g ered by a proces s in w hic h the sequent i al num b er i n i nc o m i ng p a c ket s d i f f ers f rom t he ex pect ed seq uent ia l number. P ac ket s wi th a n unex pect ed sequenti a l num b er [...]

1 1 6 6 . 3 E m a i l E ma i l, or el ect roni c ma i l , i s a modern form of c omm uni c at ion wi t h ma ny advant ages. I t is f lexibl e, fa st a nd d i rect , and pla yed a cruc i al rol e in t he pro l if era ti on of the Interne t in t he ea rl y 199 0 ‘s. Unf o rt unat el y, wi t h a hi g h level of a no nymi ty, ema il and the Int ernet[...]

1 1 7 6. 3 . 4 R e c o g n iz i n g s p am s c am s Gene ra ll y , ther e are a few indi ca tors w hi ch c an hel p y o u ident if y sp am (unsol i c it ed ema il s) i n y our ma i lbox . If a messa g e f ulf il l s at lea st so m e o f the f o l l o w i ng cri t eria , it is most l ik el y a sp a m messa g e. Sender address d oes not belong to som[...]

1 1 8 6. 3 . 4 . 4 S e r v e r -s ide c o n tr o l Server-si d e c o nt rol is a tec hni q ue for ident if y i ng ma ss sp a m based o n the num b er o f rece i v ed messa g es and t he rea ct i o ns o f users. E a ch me ssa g e le a ves a unique d i g i ta l “f o otpri nt” based o n the c o nt ent of t he messa g e. The uni q ue ID num b er t [...]