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Conference noted::seal

Title:SEAL
Moderator:GALVIA::SMITH
Created:Mon Mar 21 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1989
Total number of notes:8209

1748.0. "screend logs ACCEPT events" by OSTV03::MAKI (TANSTAAFL) Thu Jan 30 1997 03:42

My customer is using following screend.conf at gate.
It looks OK ... But, the screend logs ACCEPT information too.
Has anyone have such experience?
( This firewall was configured by other person, at 1 years ago. )

#
# Packet filter configuration file for domain: foobar.co.jp
#
# Automatically created on Mon Sep 25 18:17:11 JST 1995 by FWsetup v1.1,
# run by [email protected]
#
default reject notify log;
for 10.2.1.0 netmask is 255.255.255.0;
for 202.248.xxx.xxx netmask is 255.255.255.240;
#
# Allow any TCP connection between internal hosts and ns.foobar.co.jp
between any and host ns.foobar.co.jp proto tcp accept;
# Also allow UDP connections for DNS (53) and NTP (123)
between any and host ns.foobar.co.jp udp port 53 accept;
between host ns.foobar.co.jp and any udp port 53 accept;
between any and host ns.foobar.co.jp udp port 123 accept;
between host mailgate.foobar.co.jp and host ns.foobar.co.jp udp port 514 
accept;
#
between any tcp port-not reserved and host dt2100.foobar.co.jp tcp port 
telnet accept;
between any tcp port-not reserved and host vcp1000.foobar.co.jp tcp port 
telnet accept;
# mailgate.foobar.co.jp (internal http proxy) to mzcom.foobar.co.jp:80
between host 10.2.1.11 and host 202.248.xxx.xxx tcp port 80 accept;

----
Maki Watanabe	[Internet System, East Japan 1 - SI DEC-Japan]
Internet: [email protected] 
T.RTitleUserPersonal
Name
DateLines
1748.1EEMELI::EINAMOThu Jan 30 1997 05:159
Hi

are they running screend with -l option ?

#ps ax  ( and look for screend process)

What does the accept say ?

Marko
1748.2NCMAIL::SMITHBThu Jan 30 1997 12:163
Screend continues to do new and strange things with each new OS release.

Rules that are in the man page don't work, logging is broken in 4.0... etc.
1748.3OSTV03::MAKITANSTAAFLMon Feb 03 1997 00:3015
Sample of the screed log.

Jan 30 08:29:35 gate screend[756]: ACCEPT: UDP [202.248.XXX.XXX]->[10.2.1.11](123->123)
Jan 30 08:29:35 gate screend[756]: ACCEPT: UDP [10.2.1.11]->[202.248.XXX.XXX](123->123)
Jan 30 08:30:17 gate screend[756]: ACCEPT: TCP [10.2.1.11]->[202.248.XXX.XXX](4939->8080)
Jan 30 08:30:17 gate screend[756]: ACCEPT: TCP [202.248.XXX.XXX]->[10.2.1.11](8080->4939)
Jan 30 08:30:17 gate screend[756]: ACCEPT: UDP [202.248.XXX.XXX]->[10.2.1.11](4981->53)
Jan 30 08:30:17 gate screend[756]: ACCEPT: UDP [10.2.1.11]->[202.248.XXX.XXX](53->4981)
Jan 30 08:30:17 gate screend[756]: ACCEPT: UDP [202.248.XXX.XXX]->[10.2.1.11](4982->53)

I will check the -l option tommorow at the customer site. Thanks.

----
Maki Watanabe	[Internet System, East Japan 1 - SI DEC-Japan]
Internet: [email protected] 
1748.4OSTV03::MAKITANSTAAFLThu Feb 06 1997 03:454
The screend was running with -l option. I fixed the /sbin/init.d/screend.

Thanks.
mw