Daniel is right.  It looks like the system is using iptables.  Now to figure
out that piece of software.  It's never ending!  

Thanks Broc and Daniel!

-- Bud



> -----Original Message-----
> From: Daniel Perry [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, February 15, 2005 4:27 AM
> To: James Users List
> Subject: RE: POP3 Server Access
> 
> FC2 uses iptables by default (i think)
> 
> Try: service iptables stop
> 
> Daniel.
> 
> > -----Original Message-----
> > From: Seib, Broc [mailto:[EMAIL PROTECTED]
> > Sent: 15 February 2005 04:03
> > To: James Users List
> > Subject: RE: POP3 Server Access
> >
> >
> > Comments inline...
> >
> > > -----Original Message-----
> > > From: Bud Bach [mailto:[EMAIL PROTECTED]
> > > Sent: Monday, February 14, 2005 5:24 PM
> > > To: 'James Users List'
> > > Subject: RE: POP3 Server Access
> > >
> > >
> > > Broc, I think you are right.  This is what I'm seeing:
> > >
> > > % netstat -an | more
> > > Active Internet connections (servers and established)
> > > Proto Recv-Q Send-Q Local Address           Foreign Address
> > >       State
> > > tcp        0      0 :::110                  :::*
> > >       LISTEN
> >
> > This says there is a socket listening on port 110 on *all* interfaces
> > (including 192.168.1.50), which is fine. (This netstat output looks like
> > IP6 address format; I'm used to seeing the style "*:110" rather than
> > ":::110" for local address.)
> >
> > This also makes sense since it is the default in the config file to bind
> > to all interfaces. It confirms you *should* be able to connect from
> > anywhere. I think this alone suggests that your server is running fine
> > and that something else is preventing the connection.
> >
> > > I'm not sure how to interpret this.  I'm guessing the POP
> > > server is not properly bound.  Do I just uncomment the <bind>
> > > </bind> block and add the ip address of the server?  The docs
> > > say that if the parameter is omitted, the service will be
> > > bound to all network interfaces on the machine.  Is this
> > > broken under Fedora (FC2) or has the behavior changed?
> > >
> > > I tried binding it to the address the server with:
> > >
> > > <bind>192.168.1.50</bind>
> > >
> > > but it still doesn't quite seem to work.  Netstat shows:
> > >
> > > tcp        0      0 ::ffff:192.168.1.50:110  :::*
> > >        LISTEN
> >
> > You did the bind config correct here, if you want to explicitly bind to
> > just one address rather than all. It also means the server is no longer
> > bound to 127.0.0.1, so when you said telnet to localhost stopped
> > working, that looks correct.
> >
> > > In this case, I can connect from a remote system but the
> > > server doesn't spit out the banner.  Also on the local
> > > machine, I can no longer telnet to "localhost 110", I have to
> > > use the specific ip address.
> >
> > I am puzzled why it would behave differently based on your <bind>
> > config. The netstat output proved it was listening correctly in both
> > cases, so your external connection to 192.168.1.50 should behave the
> > same in both cases. I'd guess this is not a problem with your server
> > config.
> >
> > Q1: does Fedora Core 2 use 'ipf', 'ipfw', or 'ipchains', or any other
> > kernel level firewall? I am not very familiar with FC2, but this would
> > be the next place I'd look.
> >
> > Q2: Where is the other host from which you are externally connecting? Is
> > it also on the same 192.168.1.x subnet, on your own private LAN? Or is
> > it coming from a real internet location via a broadband connection or
> > something?
> >
> > -broc
> >
> > >
> > > Can you provide anymore pointers that might get me going?  Thanks.
> > >
> > > -- Bud
> > >
> > > > -----Original Message-----
> > > > From: Seib, Broc [mailto:[EMAIL PROTECTED]
> > > > Sent: Monday, February 14, 2005 12:19 PM
> > > > To: James Users List
> > > > Subject: RE: POP3 Server Access
> > > >
> > > > I'd first check that the server is bound to the correct
> > > address while
> > > > it is running, i.e. the command "netstat -an" should show
> > > > xx.xx.xx.xx:110 where xx.xx.xx.xx is an IP address reachable by the
> > > > world.
> > > >
> > > > -broc
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: Bud Bach [mailto:[EMAIL PROTECTED]
> > > > > Sent: Monday, February 14, 2005 1:00 PM
> > > > > To: server-user@james.apache.org
> > > > > Subject: POP3 Server Access
> > > > >
> > > > >
> > > > > I know this is probably something stupid but here goes.  I have
> > > > > James running and the POP3 server is configured (see below).
> > > > >
> > > > >
> > > > >
> > > > > On the local host, I can telnet to port 110 and I get the
> > > James POP3
> > > > > banner. From any other machine, I can't connect. No
> > > firewalls in the
> > > > > way.  What am I missing?  Is there an "allow" list I need
> > > to add to
> > > > > allow remote access?
> > > > >
> > > > >
> > > > >
> > > > > Thanks for any assistance.  - Bud
> > > > >
> > > > >
> > > > >
> > > > > config.xml:
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >     <!-- The POP3 server is enabled by default -->
> > > > >
> > > > >     <!-- Disabling blocks will stop them from listening, -->
> > > > >
> > > > >     <!-- but does not free as many resources as removing
> > > them would
> > > > > -->
> > > > >
> > > > >    <pop3server enabled="true">
> > > > >
> > > > >       <!-- port 995 is the well-known/IANA registered
> > > port for POP3S
> > > > > ie over SSL/TLS -->
> > > > >
> > > > >       <!-- port 110 is the well-known/IANA registered port for
> > > > > Standard POP3
> > > > > -->
> > > > >
> > > > >       <port>110</port>
> > > > >
> > > > >
> > > > >
> > > > >       <!-- Uncomment this if you want to bind to a specific
> > > > > inetaddress -->
> > > > >
> > > > >       <!--
> > > > >
> > > > >       <bind> </bind>
> > > > >
> > > > >       -->
> > > > >
> > > > >       <!--  Uncomment this if you want to use TLS (SSL)
> > > on this port
> > > > > -->
> > > > >
> > > > >       <!--
> > > > >
> > > > >       <useTLS>true</useTLS>
> > > > >
> > > > >       -->
> > > > >
> > > > >
> > > > >
> > > > >       <handler>
> > > > >
> > > > >          <!-- This is the name used by the server to
> > > identify itself
> > > > > in the POP3 -->
> > > > >
> > > > >          <!-- protocol.  If autodetect is TRUE, the server will
> > > > > discover its
> > > > > -->
> > > > >
> > > > >          <!-- own host name and use that in the protocol.  If
> > > > > discovery fails, -->
> > > > >
> > > > >          <!-- the value of 'localhost' is used.  If autodetect is
> > > > > FALSE, James -->
> > > > >
> > > > >          <!-- will use the specified value. -->
> > > > >
> > > > >          <helloName autodetect="true">myMailServer</helloName>
> > > > >
> > > > >          <connectiontimeout>120000</connectiontimeout>
> > > > >
> > > > >       </handler>
> > > > >
> > > > >    </pop3server>
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
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> >
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