From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Bradley Hook <bhook@kansasdeaf.gov>
Cc: netfilter@vger.kernel.org
Subject: Re: Packets not traversing postrouting chain
Date: Mon, 31 Mar 2025 18:51:46 +0200 [thread overview]
Message-ID: <Z-rIIhraCyG8KELs@calendula> (raw)
In-Reply-To: <CAPrh4R458ZB8C5-Zm52FsnyGQMQv2EBp-pvkQ2wcZSeHhtoeNg@mail.gmail.com>
On Mon, Mar 31, 2025 at 11:19:31AM -0500, Bradley Hook wrote:
[...]
> The issue we are seeing is that packets from 192.168.122.252 to
> 8.8.8.8 are not traversing the postrouting chain at all. We can see
> the packets leaving the interface without NAT applied. We can see the
> packets hitting the forward chain with the trace. Other traffic from
> other subnets are being masqueraded just fine. We just aren't seeing
> the packets from 192.168.122.x/24 hit any postrouting rules at all.
Can you check if connection tracking is tagging these packets as
invalid?
next prev parent reply other threads:[~2025-03-31 16:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-31 16:19 Packets not traversing postrouting chain Bradley Hook
2025-03-31 16:51 ` Pablo Neira Ayuso [this message]
2025-03-31 17:00 ` Bradley Hook
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