07-31-2008
nmap will do the job but telnet shuld be sufficient to test whether ports are open. try netstat -an | grep 110 and grep 25 to see if anything has bound to these ports at all.
On freebsd there is no iptables.
Firewalls on freebsd are either ipf or pf.
as far as I recall ipf -ihn will show you active ruleset on incoming direction (i) with hits per rule (h) and number next to each rule (n). ipf -ohn will show you similar but in output direction. You may find that strange at the first glance but in ipf last match wins. That is decision to dropp/pass a packet is done based on last match, not first match in a rulest - opposite to linux/cisco behaviour. It's just a different approach you'll have to get used to, it's not wrong at all.
Tell us what you see when doing netstat and telnet to mentioned ports, then we'll guide you through the rest. It won't be difficult.
ipf's syntax is so simple and straighforward that I falled in love since I saw it. PF is very similar (in syntax).
regards.
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IPFS(8) System Manager's Manual IPFS(8)
NAME
ipfs - saves and restores information for NAT and state tables.
SYNOPSIS
ipfs [-nv] -l
ipfs [-nv] -u
ipfs [-nv] [ -d <dirname> ] -R
ipfs [-nv] [ -d <dirname> ] -W
ipfs [-nNSv] [ -f <filename> ] -r
ipfs [-nNSv] [ -f <filename> ] -w
ipfs [-nNSv] -f <filename> -i <if1>,<if2>
DESCRIPTION
ipfs allows state information created for NAT entries and rules using keep state to be locked (modification prevented) and then saved to
disk, allowing for the system to experience a reboot, followed by the restoration of that information, resulting in connections not being
interrupted.
OPTIONS
-d Change the default directory used with -R and -W options for saving state information.
-n Don't actually take any action that would affect information stored in the kernel or on disk.
-v Provides a verbose description of what's being done.
-i <ifname1>,<ifname2>
Change all instances of interface name ifname1 in the state save file to ifname2. Useful if you're restoring state information
after a hardware reconfiguration or change.
-N Operate on NAT information.
-S Operate on filtering state information.
-u Unlock state tables in the kernel.
-l Lock state tables in the kernel.
-r Read information in from the specified file and load it into the kernel. This requires the state tables to have already been locked
and does not change the lock once complete.
-w Write information out to the specified file and from the kernel. This requires the state tables to have already been locked and
does not change the lock once complete.
-R Restores all saved state information, if any, from two files, ipstate.ipf and ipnat.ipf, stored in the /var/db/ipf directory unless
otherwise specified by the -d option. The state tables are locked at the beginning of this operation and unlocked once complete.
-W Saves in-kernel state information, if any, out to two files, ipstate.ipf and ipnat.ipf, stored in the /var/db/ipf directory unless
otherwise specified by the -d option. The state tables are locked at the beginning of this operation and unlocked once complete.
FILES
/var/db/ipf/ipstate.ipf
/var/db/ipf/ipnat.ipf
/dev/ipl
/dev/ipstate
/dev/ipnat
SEE ALSO
ipf(8), ipl(4), ipmon(8), ipnat(8)
DIAGNOSTICS
Perhaps the -W and -R operations should set the locking but rather than undo it, restore it to what it was previously. Fragment table
information is currently not saved.
BUGS
If you find any, please send email to me at darrenr@pobox.com
IPFS(8)