Vulnerability Development mailing list archives
Re: BUG: [Kernel 2.4.18 - IP Tables 1.2.4] ?
From: Craig Knox <crg () monster gotadsl co uk>
Date: 28 Feb 2002 13:37:31 +0000
Hi, I think you forgot to read the line "(The 27 ports scanned but not shown below are in state: filtered)". If you had run nmap with the same options for both you would have got the same output for both. Regards Craig Knox
################################## # RESULT ################################## NETFILTER SHOWS FILTERED PORTS: bash# nmap -sS -P0 -p 21,22,25,80,113,119,139,3128 an.iptables-version-1.2.4.box.com Starting nmap V. 2.53 by fyodor () insecure org ( www.insecure.org/nmap/ ) Interesting ports onan.iptables-version-1.2.4.box.com (x.x.x.x): Port State Service 21/tcp filtered ftp 22/tcp filtered ssh 25/tcp open smtp 80/tcp filtered http 113/tcp open auth 119/tcp filtered nntp 139/tcp filtered netbios-ssn 3128/tcp filtered squid-http ################################### # IPFILTER ################################### ################################### # RESULT ################################### IPFILTER DOES NOT SHOW FILTERED PORTS: bash# nmap -sS -P0 -p 7,9,13,19,21,22,23,25,37,79,111,113,139,143,512,513,51,540,665,6000,6112,7100,32771,32772,32773,32774,32775,32776 an.ip.filter.box.com Starting nmap V. 2.53 by fyodor () insecure org ( www.insecure.org/nmap/ ) Interesting ports on on.an.ipfilter.box.com) (x.x.x.x): (The 27 ports scanned but not shown below are in state: filtered) Port State Service 25/tcp open smtp 113/tcp open auth Nmap run completed -- 1 IP address (1 host up) scanned in 7 seconds
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- Re: BUG: [Kernel 2.4.18 - IP Tables 1.2.4] ? Craig Knox (Mar 04)