Re: Blocking an IP addrress

From: Alexandr Kovalenko (
Date: 03/19/01

Date: Mon, 19 Mar 2001 01:05:07 +0200
From: Alexandr Kovalenko <>
To: Nicholas Marouf <>

Hello Nicholas,

Sunday, March 18, 2001, 11:41:28 PM, you wrote:
NM> Those two still do not make a difference since connections keep on
NM> opening up.

NM> I've been trying to get ipfw to block it. but I get this error message.
NM> Any advice would be much appreciated.
just add rule to your ipfw: "deny tcp from to any 25"

NM> su-2.04# ps ax | grep sendmail
NM> 16180 ?? Ss 0:00.02 sendmail: accepting connections (sendmail)
NM> 16250 ?? S 0:00.03 sendmail: startup with
NM> (sendmail)
NM> 16337 ?? I 0:00.00 sendmail: startup with
NM> (sendmail)
NM> 16344 p2 R+ 0:00.00 grep sendmail

Best regards,

Do You Yahoo!?
Get your free address at

To Unsubscribe: send mail to
with "unsubscribe freebsd-security" in the body of the message

Relevant Pages

  • Re: FTP Problems (probably my firewall)
    ... > I'm trying to get FTPD working, but I think I'm not opening the correct ... ipfw add 1 allow log all from any to me 20,21 ... cater to your favorite neurosis. ...
  • ipfw question - ICMP
    ... I have setup my FreeBSD box with ASDL (pppoe) and ipfw (rc.firewall with ... I have finetuned to allow ssh from certain addresses outside, sendmail works, ...
  • Re: questions about (system) dhclient
    ... > Does em0 supports TSO? ... > and do you have ipfw running at the same time? ... but this setup has been running with the same ipfw rules for years. ... Um - what issue with sendmail? ...
  • 7.0-CURRENT AMD64 make panic on Tyan K8WE S2877 2xOpteron 246/6G/SATA
    ... Oct 12,2006 cvsup source. ... The following is the error message. ... All I need is a ipfw add 100 fwd tcp from,80 to any 80 keep-state. ... *** Error code 1 ...
  • Re: ipfw2 on freebsd4.7-release
    ... > libalias and ipfw with ipfw2 options, ... > i accured an error message. ...