Re: Need Help with Squirrelmail

From: Benjamin Donnachie (benjamin_at_pythagoras.no-ip.org)
Date: 10/28/05

  • Next message: Danny Terweij - Net Tuning | Net: "Re: Need Help with Squirrelmail"
    Date: Fri, 28 Oct 2005 01:00:28 +0100
    To: For users of Fedora Core releases <fedora-list@redhat.com>
    
    

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    Marcio A. Regalado wrote:
    > telnet to localhost 25 & 110 work fine
    > telnet to publimotion.com.mx Times Out

    Is your server behind a NAT firewall... If so, the request for
    publimotion.com.mx will be resolving to your external IP address which,
    for requests that originate from the internal network, invariably end up
    with your firewall trying to deal with it.

    A quick solution would be to add an entry to your hosts file that makes
    publimotion.com.mx reference 127.0.0.1. Alternatively, if you have
    other machines running on the network that need to access the server you
    will need to set up a DNS server on the network which has the internal
    network IP addresses for all internal services, and then make all
    internal machines use that DNS server.

    Here's the relevant extracts from my config files:

    /etc/named.conf
    [...]
    zone "pythagoras.no-ip.org" {
            type master;
            file "pythagoras_no-ip_org.db";
            allow-update { localhost; };
    };

    zone "0.168.192.in-addr.arpa" IN {
            type master;
            file "rev.pythagoras_no-ip_org.db";
            allow-update { localhost; };
    };
    [...]

    /etc/dhcpd.conf
    [...]
            option routers 192.168.0.1;
    [...]
            option domain-name-servers 192.168.0.2;
    [...]

    /var/named/pythagoras_no-ip_org.db

    ; BIND db file for pythagoras.no-ip.org

    $TTL 86400

    @ IN SOA dns.pythagoras.no-ip.org.
    postmaster.pythagoras.no-ip.org. (
                            2005093001 ; serial number YYMMDDNN
                            28800 ; Refresh
                            7200 ; Retry
                            864000 ; Expire
                            86400 ; Min TTL
                            )

                    NS dns.pythagoras.no-ip.org.

                    MX 10 mail.pythagoras.no-ip.org.

    $ORIGIN pythagoras.no-ip.org.

    router IN A 192.168.0.1
    gavin IN A 192.168.0.2

    ; Gavin aliases
    dns IN A 192.168.0.2
    www IN A 192.168.0.2
    mail IN A 192.168.0.2
    smtp IN A 192.168.0.2
    ssh IN A 192.168.0.2
    upload IN A 192.168.0.2
    listhost IN A 192.168.0.2
    ren IN A 192.168.0.2
    stimpy IN A 192.168.0.2
    imap IN A 192.168.0.2
    dspam IN A 192.168.0.2
    vpn IN A 192.168.0.2

    /var/named/rev.pythagoras_no-ip_org.db

    ; Reverse lookup file for local pythagoras.no-ip.org network

    $TTL 86400

    @ IN SOA dns.pythagoras.no-ip.org.
    root.pythagoras.no-ip.org. (
                                          2005042901 ; Serial
                                          28800 ; Refresh
                                          14400 ; Retry
                                          3600000 ; Expire
                                          86400 ) ; Minimum

                  IN NS dns.pythagoras.no-ip.org.

    1 IN PTR router.pythagoras.no-ip.org.
    2 IN PTR gavin.pythagoras.no-ip.org.

    Alternatively, I suppose that you could just make everything on your
    server reference localhost - but that looks unprofessional in my opinion.

    Ben
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  • Next message: Danny Terweij - Net Tuning | Net: "Re: Need Help with Squirrelmail"

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