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Can anyone tell me why this rule would spit out an error: /sbin/iptables -t nat -I PREROUTING -p tcp --dport 2525 -j REDIRECT --to-port 25 iptables: No chain/target/match by that ...
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  1. #1
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    IpTables errors


    Can anyone tell me why this rule would spit out an error:

    /sbin/iptables -t nat -I PREROUTING -p tcp --dport 2525 -j REDIRECT --to-port 25
    iptables: No chain/target/match by that name

    This is a normal VPS server on Parallels connected directly to the net, but I'm not sure how to debug this one. The information I've seen elsewhere on the net doesn't seem to help either.

    I would give out more information, but I'm not sure what would help.

    Thanks,
    Yeshua

  2. #2
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    Wait, the iptables version might help.

    iptables v1.3.8

  3. #3
    Linux Guru Lazydog's Avatar
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    Do you have NAT and PREROUTE setup?

    Regards
    Robert

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  4. #4
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    Not sure. How can I tell?

    Webmin shows them there, but NAT is blank w/ no rules.

  5. #5
    Linux Guru Lazydog's Avatar
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    Which distro are you using?

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    Robert

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  6. #6
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    Linux hostname 2.6.9-023stab046.2-smp #1 SMP Mon Dec 10 15:04:55 MSK 2007 x86_64 x86_64 x86_64 GNU/Linux

    Fedora Core release 6 (Zod)

  7. #7
    Linux Guru Lazydog's Avatar
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    OK, Fedora is RH based and RH keeps it's firewall rules in /etc/sysconfig/iptables and see if there is a section towards the top with '*nat'.

    If you feel comfortable post this file so that I can take a look.

    Regards
    Robert

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  8. #8
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    Code:
    # Generated by webmin
    *filter
    :FORWARD ACCEPT [0:0]
    :INPUT ACCEPT [0:0]
    :OUTPUT ACCEPT [0:0]
    -A FORWARD -o venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_OUT:
    -A FORWARD -i venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_IN:
    -A OUTPUT -o venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_OUT:
    -A INPUT -i venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_IN:
    -A FORWARD -o venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_OUT:
    -A FORWARD -i venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_IN:
    -A OUTPUT -o venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_OUT:
    -A INPUT -i venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_IN:
    -A FORWARD -o venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_OUT:
    -A FORWARD -i venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_IN:
    -A OUTPUT -o venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_OUT:
    -A INPUT -i venet0 -j LOG  --log-level 7 --log-prefix BANDWIDTH_IN:
    # iax
    -A INPUT -p udp -m udp -m multiport --ports 4569 -j ACCEPT
    COMMIT
    # Completed
    # Generated by webmin
    *mangle
    :FORWARD ACCEPT [0:0]
    :INPUT ACCEPT [0:0]
    :PREROUTING ACCEPT [0:0]
    :OUTPUT ACCEPT [0:0]
    :POSTROUTING ACCEPT [0:0]
    COMMIT
    # Completed
    # Generated by webmin
    *nat
    :PREROUTING ACCEPT [0:0]
    :OUTPUT ACCEPT [0:0]
    :POSTROUTING ACCEPT [0:0]
    COMMIT
    # Completed

  9. #9
    Linux Guru Lazydog's Avatar
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    What's with all the duplicate entries?
    What's with 'venet0'?

    Regards
    Robert

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