Re: gateway/firewall script

From: Jonathan Feally (vulture_at_netvulture.com)
Date: 10/23/03

  • Next message: Aleksandar Simonovski: "Re: gateway/firewall script" 
    Date: Wed, 22 Oct 2003 20:29:10 -0700
To: Aleksandar Simonovski <aleksandar@unet.com.mk>

    Your problem lies in that you are counting the traffic twice in the
    queue/pipe - once from the internal addr to the dst, and once from the
    external addr to the dst. Change your rules to specify which IP Block
    should get the bw limiting.
    I don't know if the keep-state thing is throwing it out of whack or not.

    Aleksandar Simonovski wrote:

    >this is my script, works just fine, it's purpose is to allow just www,ftp and dns requests
    >but i get only 6KB/s transfer with config bw 128Kbit/s, and 3KB/s with 64Kbit/s and so on
    >and it should be 16KB/s with 128Kbit/s and 8KB/s with 64Kbit/s and do on so is this right or
    >i'am missing something?
    >
    >any comments on the script would be fine
    >
    >INTINF = rl1
    >EXTINF = rl0
    >
    ># natd is running
    >natd -n rl0
    >
    >#!/bin/sh
    >-f flush
    >add 1000 divert 8668 ip from any to any via rl0
    >add 1200 allow ip from any to any via lo0
    >add 1300 deny ip from any to 127.0.0.1/8
    >add 1400 deny ip from 127.0.0.1/8 to any
    >add 1500 check-state
    >add 1550 allow icmp from any to any keep-state
    >add 1600 allow log udp from any to any 53 keep-state out
    >add 1610 allow log udp from any to any 53 keep-state in
    >#add 1620 allow log udp from any 53 to any keep-state in
    >add 1700 queue 1 log tcp from any to any 20,21 keep-state out
    >add 1800 queue 2 log tcp from any 20,21 to any keep-state in
    >add 2000 queue 3 log tcp from any to any 80 keep-state out
    >add 2010 queue 4 log tcp from any to any 80 keep-state in
    >#add 2020 queue 5 log tcp from any 80 to any keep-state in
    >add 2100 deny log ip from any to any
    >queue 1 config weight 5 pipe 1 mask all
    >queue 2 config weight 5 pipe 2 mask all
    >queue 3 config weight 5 pipe 3 mask all
    >queue 4 config weight 5 pipe 4 mask all
    >queue 5 config weight 5 pipe 5 mask all
    >pipe 1 config bw 128Kbit/s
    >pipe 2 config bw 128Kbit/s
    >pipe 3 config bw 128Kbit/s
    >pipe 4 config bw 128Kbit/s
    >pipe 5 config bw 128Kbit/s
    >
    >Cheers,
    >Aleksandar
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    >

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  • Next message: Aleksandar Simonovski: "Re: gateway/firewall script"