Symantec™ Security Gateways Reference Guide - Sawmill

Index511DES 97Triple DES 97denial-of-serviceping attack 23SYN flood 23description field 64destination field, rules 63destination IP address 33detailed packet inspection 20DHCP relay 62Diffie-Hellman groups 99DNSattacks 21authority record 39componentsauthority record 39forwarder record 39host record 39mail server record 39name server record 40recursion record 40root server record 41subnet record 41forwarder record 39host record 39mail exchange information 39mail server record 39name resolution 38name servercaching only 40primary 40secondary 40name server record 40proxy 52internal name servers 52private zone files 52public zone files 52recursion record 40report 105reverse name resolution 39root server record 41subnet record 41domain entity 38driveraddress transparency 20detailed packet inspection 20host blacklisting 19interface packet filters 20IP address spoof checking 19IP datagram validation 20IP fragment protection 20MTU check 20SYN flood protection 20dynamic keys 98dynamic routing 35, 62OSPF protocol 37RIP-2 protocol 36dynamic users 77Ee-commerce, managed security gateway 26emailcontainer policy 116notifications 107SMTP 58spool to temporary server 39email notifications 107enable rule 63encapsulating security payload 94encapsulation modes 92enclave, managed security gateway 27encryptionasymmetric 96symmetric 96entityuniverse 38Entrust authentication 80Ffastpath 48fault tolerant, managed security gateway 25features 12anti-spam 13, 125antivirus 13, 113content filtering 12, 71firewall 12high availability 13, 128intrusion detection and prevention 13, 116load balancing 13, 128virtual private networking 12, 87file extensions 74filters 89groups 69packet flow 71processing 70report 105types 68types offorwarding 68input 68output 68VPN 69understanding 67use 69flags 33flatten8 utility 103forwarder record 39forwarding filter 68NAT unsupported 69FTPantivirus scanning 114proxy 53Ggateway password authentication 80gateway users 77Gateway-to-Gateway tunnels, security gateway entity 38general users 77generic server proxy (GSP) 61global gating 117GNU Zebra 62group entity 38GSP 61