Eicon Networks S92 Manuale Utente Scaricare il pdf (Pagina 10)

YuChakTinMichael‘sGIACGCFWProjectAssignment

Page 10

Forperformancereason,aminimumoftwointernetlinksaredeployed,withone

devotedtoservicingthecustomers(B2C)andtheotheroneforservicingaccess

requestsfromexternalpartnersandsuppliers(B2B)aswellasoutgoinginternet

requestsmadebytheinternalstaffs(INET).RASaccess(RAS)ismadeavailablevia

directdialin,andhasnothingtodowiththeinternet.

B2C:

*Thisisthelinkwiththehighestexposuretosecuritythreats.

B2Ctrafficincludesinboundrequestsforthefollowingservices:

à Ecommercewebservice– TCPport80(HTTP)and443(SSL)

à Externalemailservice– TCPport25(SMTP)

à ExternalDNSservice–UDPport53(DNSrequest)

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 208 209

Nessun commento

Eicon Networks S92 Manuale Utente Pagina 10