Date: 21 Sep 00 12:21:36 CST From: Eduardo Huertas <eduhuertas@usa.net> To: "pstapley" <pstapley@rapidnet.com>, "Eduardo Huertas" <eduhuertas@usa.net> Cc: freebsd-questions@FreeBSD.org Subject: Re: ppp -auto -nat myisp Message-ID: <20000921182136.7691.qmail@nwcst284.netaddress.usa.net>
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Hello Pete Thank you for your reply. Yes. the machine where I'm running ppp is a SMB server, with FreeBSD Stab= le 3.5 "pstapley" <pstapley@rapidnet.com> wrote: > Do you have a windows machine connected to your network? From what I he= ar > they send out some DNS stuff that will cause it to dial unexpectedly. > = > Pete > ----- Original Message ----- > From: "Eduardo Huertas" <eduhuertas@usa.net> > To: <freebsd-questions@FreeBSD.ORG> > Sent: Thursday, September 21, 2000 9:50 AM > Subject: ppp -auto -nat myisp > = > = > > Hello everybody! > > > > I've been having problems working with ppp -auto -nat myisp > > > > Everything works fine except that ppp dials unexpectedly. > > > > I read the ppp FAQ and I found this problem there. It says that to > determine > > the cause use the following line: > > > > set log +tcp/ip > > > > I certainly did and I got this cause from the log: > > > > Sep 21 09:13:03 BSDincep ppp[3291]: tun0: Phase: PPP Started (auto mo= de). > > Sep 21 09:18:17 BSDincep ppp[3291]: tun0: TCP/IP: DIAL UDP: > 10.0.0.1:138 ---> > > 10.0.0.255:138 > > Sep 21 09:18:17 BSDincep ppp[3291]: tun0: Phase: bundle: Establish > > Sep 21 09:18:17 BSDincep ppp[3291]: tun0: Phase: deflink: closed -> > opening > > Sep 21 09:18:17 BSDincep ppp[3291]: tun0: TCP/IP: OUT UDP: > 10.0.0.1:138 ---> > > 10.0.0.255:138 > > Sep 21 09:18:17 BSDincep ppp[3291]: tun0: Phase: deflink: Connected! > > Sep 21 09:18:17 BSDincep ppp[3291]: tun0: Phase: deflink: opening -> = dial > > > > The second line seems to tell me that the dial triggers from an UDP packet > > with ip addresses that are not used in my LAN (192.168.1.255) > > > > Who is doing that? And how can I make the dial filter to deny this. = I > tried > > the following with no result: > > > > # We don't want ICMPs to cause a dialup: > > set filter dial 0 deny icmp > > set filter dial 1 permit 0 0 > > # > > # or any TCP SYN or RST packets (badly closed TCP channels): > > # > > set filter dial 2 deny 0 0 tcp syn finrst > > set filter dial 3 deny 10.0.0.1 10.0.0.255 > > > > Thank you very much for your help. > > > > Eduardo Huertas > > > > ____________________________________________________________________ > > Get free email and a permanent address at http://www.netaddress.com/?= N=3D1 > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > ____________________________________________________________________ Get free email and a permanent address at http://www.netaddress.com/?N=3D= 1 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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