Your message dated Tue, 04 Aug 2015 21:47:15 +0000
with message-id <[email protected]>
and subject line Bug#793479: fixed in tcpdump 4.6.2-5+deb8u1
has caused the Debian Bug report #793479,
regarding tcpdump: tcpdump prints "dropped privs to <user>" message to stdout, 
should be stderr
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
793479: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=793479
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: tcpdump
Version: 4.6.2-5
Severity: grave
Control: fixed -1 4.7.4-1
Control: tag -1 jessie

I have been using tcpdump like this for ages:

/usr/sbin/tcpdump -Z $user -S0 -p -n U -B $bufsz -i $iface -w - "$rule"

The important thing here is that tcpdump drops privileges to $user and
writes the pcap file to standard output ... which gets piped to another
process.

Post-processing of the resulting streams broke after upgrading to jessie
because tcpdump prints that bit of information about dropping privileges
to standard output.

This has been fixed in 4.7.4-1 currently part of stretch. Since a
backport of that is available via jessie-backports, I'm going to use
that on the machines affected.

Cheers,
-Hilko

--- End Message ---
--- Begin Message ---
Source: tcpdump
Source-Version: 4.6.2-5+deb8u1

We believe that the bug you reported is fixed in the latest version of
tcpdump, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Romain Francoise <[email protected]> (supplier of updated tcpdump package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])


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Hash: SHA256

Format: 1.8
Date: Sun, 02 Aug 2015 19:57:22 +0200
Source: tcpdump
Binary: tcpdump
Architecture: amd64 source
Version: 4.6.2-5+deb8u1
Distribution: stable
Urgency: low
Maintainer: Romain Francoise <[email protected]>
Changed-By: Romain Francoise <[email protected]>
Closes: 793479
Description: 
 tcpdump    - command-line network traffic analyzer
Changes:
 tcpdump (4.6.2-5+deb8u1) stable; urgency=low
 .
   * Cherry-pick commit 3f15ae25c2 from upstream Git to fix -Z confirmation
     log being sent to stdout, where it can get mixed with pcap stream
     data if '-w -' is used (closes: #793479).
Checksums-Sha1: 
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 2d96f1930f5717a59d1517e77b8e4b545f38c7f2 19532 
tcpdump_4.6.2-5+deb8u1.debian.tar.xz
 3b0b253fa19ccb88277b60a19583d4b956e7c0b5 377548 
tcpdump_4.6.2-5+deb8u1_amd64.deb
Checksums-Sha256: 
 b63941a98b3fe3f0f0580a91b277360d92d1e1ff190c3de08cd0ccd199dbb275 1943 
tcpdump_4.6.2-5+deb8u1.dsc
 9ee2a20e94061215c7ead94a5ca8ddcfe4648fce672f717785cd68b966458994 19532 
tcpdump_4.6.2-5+deb8u1.debian.tar.xz
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tcpdump_4.6.2-5+deb8u1_amd64.deb
Files: 
 69ff32ae4611fc3c4b6ec641257a0498 1943 net optional tcpdump_4.6.2-5+deb8u1.dsc
 74675c18c1e7bf9a7f0a6b963e815aa7 19532 net optional 
tcpdump_4.6.2-5+deb8u1.debian.tar.xz
 47814f7db797b545260de2056360ad57 377548 net optional 
tcpdump_4.6.2-5+deb8u1_amd64.deb

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