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From: Jacob Moody <moody@posixcafe.org>
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X-Bullshit: stable table session API 
Subject: Re: [9front] WANTED: ip based filtering of incoming connections
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On 7/26/24 00:14, Romano wrote:
> On Thu Jul 25 21:48:02 -0700 2024, sl@stanleylieber.com wrote:
>> ranges just don't seem to work at all:
>>
>>         ; aux/dial 'ipmux!ver=4;src=47.128.0.0&255.252.0.0' >/dev/null
>>
>> has no effect. 
> 
> I think I'm seeing the same thing. Altho' not documented, I
> checked /net/ipmux/stats when filtering 8.8.8.8 with
> 255.255.255.255, 255.255.255.0, and 255.255.0.0; all return
> the same content:
> % cat /net/ipmux/stats
> iph[0:0]&f0=40|
>  
>  iph[12:15]=08080808|
>   
>   
> %
> 
> the iph[12:15]=08080808| I think should have changed to
> iph[12:15]=08080800| for 255.255.255.0 and
> iph[12:15]=08080000| for 255.255.0.0 .

For anyone following along at home, this has now been fixed in commit 605bed312a0a24db6cce2f7170353351cbddbd2d.