Date: Wed, 4 Feb 1998 22:17:36 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Uncle Flatline <flatline@pchb1f.gallaudet.edu> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: 7 questions/problems from a former Linux, new FreeBSD user Message-ID: <Pine.BSF.3.96.980204221641.16875K-100000@gdi.uoregon.edu> In-Reply-To: <Pine.BSF.3.96.980204180028.429A-100000@pchb1f.gallaudet.edu>
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On Wed, 4 Feb 1998, Uncle Flatline wrote: > > Sounds like tcp wrappers are on on the Linux box and your FreeBSD machine > > is blocked out. Also try disabling tcp_extensions in /etc/rc.conf. > > "rlogin" works, as does "ncftp". And the connection was fine when both > machines were Linux. The IP names and addresses have remained the same, as > has my /etc/hosts. However, I have not restored most of my other /etc > files... > > Does the tcp wrappers theory still hold up with that evidence? (As I > mentioned, I dunno anything about tcp wrappers.) If tcp wrappers are running, then the command line for telnetd in the linux server's inetd.conf will be tcpd telnetd tcpd logs all connections and can optionally block connections from specified machines. It's a good security thing to run, esp. on an unsecure protocol such as telnet. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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