** Changed in: netcat-openbsd (Debian)
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1767283

Title:
  nc doesn't support "-s IP" option

Status in netcat-openbsd package in Ubuntu:
  Confirmed
Status in netcat-openbsd package in Debian:
  Fix Committed

Bug description:
  Hey,

  netcat shows a usage error if i try to use the "-s" option:

  Example in Bionic:

  $ netcat -s 127.0.0.1 127.0.0.1 22 < /dev/null
  usage: nc [-46CDdFhklNnrStUuvZz] [-I length] [-i interval] [-M ttl]
     [-m minttl] [-O length] [-P proxy_username] [-p source_port]
     [-q seconds] [-s source] [-T keyword] [-V rtable] [-W recvlimit] [-w 
timeout]
     [-X proxy_protocol] [-x proxy_address[:port]]        [destination] [port]

  Example in Xenial:

  netcat -s 127.0.0.1 127.0.0.1 22 < /dev/null
  SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.4

  Manpage shows that the option is still availible and should work. Both
  systems use openbsd netcat.

  $ type netcat
  netcat is hashed (/bin/netcat)
  $ ls -lah /bin/netcat
  lrwxrwxrwx 1 root root 24 Apr 25 21:56 /bin/netcat -> /etc/alternatives/netcat
  $ ls -lah /etc/alternatives/netcat
  lrwxrwxrwx 1 root root 15 Apr 25 21:56 /etc/alternatives/netcat -> 
/bin/nc.openbsd

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: netcat-openbsd 1.187-1
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  Date: Fri Apr 27 13:41:20 2018
  Dependencies:
   gcc-8-base 8-20180414-1ubuntu2
   libbsd0 0.8.7-1
   libc6 2.27-3ubuntu1
   libgcc1 1:8-20180414-1ubuntu2
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: netcat-openbsd
  UpgradeStatus: No upgrade log present (probably fresh install)

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