Date: Mon, 29 Apr 1996 09:04:55 -0300 (EST) From: Luiz de Barros <luiz@mirage.nlink.com.br> To: John Capo <jc@irbs.com> Cc: freebsd-isp@freebsd.org Subject: Re: FreeBSD PPP for terminal server. Message-ID: <Pine.BSF.3.91.960429090152.573C-100000@mirage.nlink.com.br> In-Reply-To: <199604290316.XAA16018@irbs.irbs.com>
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On Sun, 28 Apr 1996, John Capo wrote: Hi, > Luiz de Barros writes: > > I would like to use my freeBSD system as a ppp server for our dial-in > > modems connected through a terminal server. The Terminal server would > > telnet to freebsd , on which would give the login of the user and init > > PPPd. > > Your terminal server does not do PPP? My Terminal Server is a Linux ;-(((((((((((((((((((((((((((((((((((((( It keeps locking up ppp. > > > Two problems arrised: > > 1- How to ensure that only the terminal server will be able to login? > > anybody coming from outside world would not be allowed to login. > > A couple of things come to mind. Use the access list facility in > tcp-wrappers. Use the facilities provided by login.access that is > part of login. Build a special telnetd that only accepts connections > from your domain. > I think this login.access is easier, i will use it. > In all cases you have to block IP spoofing at your border routers. > You should be doing that anyway. > > > > > 2- How to assign Dynamic IP addresses from a range of for example 33 to 49? > > > > Tricky. I have seen some scripts floating around for this. You > might check the FreeBSD mail archives. I will take a look > I would be very interested to know how this project comes out. I let you informed of any news we get here. Luiz de Barros Netlink Internet Services > > John Capo jc@irbs.com > IRBS Engineering FreeBSD Servers and Workstations > (954) 792-9551 Unix/Internet Consulting - ISP Solutions >
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