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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LEARN ABOUT DEBIAN
cr_cansee
CR_CANSEE(9) BSD Kernel Developer's Manual CR_CANSEE(9)
NAME
cr_cansee -- determine visibility of objects given their user credentials
SYNOPSIS
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ucred.h>
int
cr_cansee(struct ucred *u1, struct ucred *u2);
DESCRIPTION
This function determines the visibility of objects in the kernel based on the real user IDs and group IDs in the credentials u1 and u2 asso-
ciated with them.
The visibility of objects is influenced by the sysctl(8) variables security.bsd.see_other_gids and security.bsd.see_other_uids, as per the
description in cr_seeothergids(9) and cr_seeotheruids(9) respectively.
RETURN VALUES
This function returns zero if the object with credential u1 can ``see'' the object with credential u2, or ESRCH otherwise.
ERRORS
[ESRCH] The object with credential u1 cannot ``see'' the object with credential u2.
[ESRCH] The object with credential u1 has been jailed and the object with credential u2 does not belong to the same jail as u1.
[ESRCH] The MAC subsystem denied visibility.
SEE ALSO
cr_seeothergids(9), cr_seeotheruids(9), mac(9), p_cansee(9)
BSD
November 19, 2006 BSD