Internet Service Configuration

This mask defines the active firewall policy for a service. You can change the availability of a service in the internal  and perimeter networks without changing the main IP-filtering rules of that service.
The config-file is 'etc/services.cfg'.

These settings donīt alter the services on the  Firewall!

There are four policies for each service:

Blocked 
Filtered 
Outgoing 
Incoming
- the service is blocked 
- the normal IP-filtering rules are used (as defined in Screening
- only incoming connections are possible (Filtered AND Outgoing) 
- only incoming connections are possible (Filtered AND Incoming)

Services on internal and perimeter network

archie dns_client
dns_server ftp_active
ftp_passiv gopher
http irc_client
irc_server lpr
nntp ntp_client
ntp_server ping
pop3 rexec
rip_client rip_server
rlogin rsh
smtp snmp_client
snmp_server squid
ssh ssl
syslog_client syslog_server
talk_client talk_server
telnet tftp
traceroute uucp
wais whois
finger

 

(c) 1998 J. Hellmerichs-Friedrich