Fw: [Bug 215739] New: /proc/sys/net/ipv4/conf/*/send_redirects doesn't work per-interface

Begin forwarded message:

Date: Thu, 24 Mar 2022 13:10:51 +0000
From: bugzilla-daemon@kernel.org
To: stephen@networkplumber.org
Subject: [Bug 215739] New: /proc/sys/net/ipv4/conf/*/send_redirects doesn't work per-interface


https://bugzilla.kernel.org/show_bug.cgi?id=215739

            Bug ID: 215739
           Summary: /proc/sys/net/ipv4/conf/*/send_redirects doesn't work
                    per-interface
           Product: Networking
           Version: 2.5
    Kernel Version: 5.4.154
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: IPV4
          Assignee: stephen@networkplumber.org
          Reporter: luke-jr+linuxbugs@utopios.org
        Regression: No

I have some custom routing rules that ICMP redirects interfere with, so I tried
to disable them by writing 0 to /proc/sys/net/ipv4/conf/br-lan/send_redirects,
but this didn't actually work. Neither did it for the bridge sub-interfaces.

To disable redirects, I had to write to
/proc/sys/net/ipv4/conf/lo/send_redirects instead.

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