From owner-freebsd-security Sat May 15 21:18:21 1999 Delivered-To: freebsd-security@freebsd.org Received: from obie.softweyr.com (unknown [204.68.178.33]) by hub.freebsd.org (Postfix) with ESMTP id 7C51114CC5 for ; Sat, 15 May 1999 21:18:15 -0700 (PDT) (envelope-from wes@softweyr.com) Received: from softweyr.com ([204.68.178.224]) by obie.softweyr.com (8.8.8/8.8.8) with ESMTP id WAA07273; Sat, 15 May 1999 22:18:07 -0600 (MDT) (envelope-from wes@softweyr.com) Message-ID: <373E46FD.72E41F3F@softweyr.com> Date: Sat, 15 May 1999 22:18:05 -0600 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.5 [en] (X11; U; FreeBSD 3.1-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Harold Gutch Cc: freebsd-security@FreeBSD.ORG Subject: Re: network scan? References: <19990515204158.C390F1F58@spinner.netplex.com.au> <19990516042657.A28280@foobar.franken.de> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Harold Gutch wrote: > > On Sun, May 16, 1999 at 04:41:56AM +0800, Peter Wemm wrote: > > Kris Kennaway wrote: > > > On Wed, 12 May 1999, Matthew Dillon wrote: > > > > > > > :May 12 18:42:24 server /kernel: ipfw: 26000 Deny TCP 202.38.248.205:4359 > > > > :a.b.c.1:1080 in via ed0 > > > > :... > > > > > > > > I get this all the time from people scanning for netbios. I > > > > usually just ignore them. If I'm in a bad mood I send a nasty gram > > > > to the originating network. > > > > > > In this case they're looking for an open SOCKS proxy (so they can use it to > > > > In this particular case, it's a site in China. They have a heavily > > censored internet gateway, and I see lots of probes from china (and other > > areas in Asia that have enforced proxy use and heavily censored feeds) > > looking for *:1080 (socks), *:3128 (squid) and *:8080 (squid and/or other > > proxies including netscape). They are scanning for relays to bounce > > connections off to bypass the censored feed. > > > Just to make sure I'm getting this right - you're saying China > has a censored internet gateway (i.e. blocking *something* [what > exactly ?] ), but they do allow connections to ports 1080, 3128 > and 8080 ? They block access to sites, not to ports. In particular, sites that carry capitalist misinformation, or what we in the free world call "news." -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC http://www.softweyr.com/~softweyr wes@softweyr.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message