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File: [local] / src / share / ipf / Attic / example.11 (download)

Revision 1.1, Tue Jan 9 09:29:36 1996 UTC (28 years, 5 months ago) by dm
Branch: MAIN
CVS Tags: OPENBSD_2_6_BASE, OPENBSD_2_6, OPENBSD_2_5_BASE, OPENBSD_2_5, OPENBSD_2_4_BASE, OPENBSD_2_4, OPENBSD_2_3_BASE, OPENBSD_2_3, OPENBSD_2_2_BASE, OPENBSD_2_2, OPENBSD_2_1_BASE, OPENBSD_2_1, OPENBSD_2_0_BASE, OPENBSD_2_0 

added IP filter to netstat/rc and put examples in /usr/share/ipf

#
# allow any TCP packets from the same subnet as foo is on through to host
# 10.1.1.2 if they are destined for port 6667.
#
pass in proto tcp from fubar/24 to 10.1.1.2/32 port = 6667
#
# allow in UDP packets which are NOT from port 53 and are destined for
# localhost
#
pass in proto udp from fubar port != 53 to localhost
#
# block anything trying to get to X terminal ports, X:0 to X:9
#
block in proto tcp from any to any port 5999 >< 6010
#
# allow any connections to be made, except to BSD print/r-services
# this will also protect syslog.
#
block in proto tcp/udp all
pass in proto tcp/udp from any to any port 512 <> 515
#
# allow any connections to be made, except to BSD print/r-services
# this will also protect syslog.
#
pass in proto tcp/udp all
block in proto tcp/udp from any to any port 511 >< 516