From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org
Subject: [Bug 16461] New: Socket option SO_MARK undocumented.
Date: Sun, 25 Jul 2010 15:06:23 GMT
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https://bugzilla.kernel.org/show_bug.cgi?id=16461
Summary: Socket option SO_MARK undocumented.
Product: Documentation
Version: unspecified
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: enhancement
Priority: P1
Component: man-pages
AssignedTo: documentation_man-pages-ztI5WcYan/vQLgFONoPN62D2FQJk+8+b@public.gmane.org
ReportedBy: textshell-tSIEzQ-y2m5y9CR1fEVXu3bBpv2yHL8HoS0Hn3T@public.gmane.org
Regression: No
hi,
commit 4a19ec5800fc3bb64e2d87c4d9fdd9e636086fe0 in Jan 2008 added the new
SO_MARK socket option.
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4a19ec5800fc3bb64e2d87c4d9fdd9e636086fe0
A possible text for this option could maybe be (from the above commit message)
SO_MARK
Set the mark for each packets this socket sends (similar to the netfilter
MARK target but socket based). Changing the mark can be used for mark based
routing without netfilter or for packet filtering. Setting this option is only
allowed for processes with the CAP_NET_ADMIN capability.
--
I'm not sure if the sentence about CAP_NET_ADMIN is right for the manpage.
Similar options seem to mention effective uid=0 also. The code only checks for
the CAP_NET_ADMIN, but some other layer might set that when gaining uid 0.
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