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    69 results tagged ssh x
    • thumbnail
      How to get exit status with Ruby's Net::SSH library? - Stack Overflow
      May 28, 2015 at 3:47:43 PM GMT+2 - permalink - archive.org - http://stackoverflow.com/questions/3386233/how-to-get-exit-status-with-rubys-netssh-library
      rake ruby ssh
    • Linux / UNIX: ssh command prompt

      <CR>
      tilde
      <key>

      April 24, 2015 at 10:20:13 AM GMT+2 - permalink - archive.org - http://www.cyberciti.biz/faq/openssh-linux-unix-osx-kill-hung-ssh-session/
      command prompt ssh
    • thumbnail
      ip - How to make ssh tunnel open to public? - Super User

      -R [bind_address:]port:host:hostport

      ssh -R *:8080:localhost:80 -N root@website.com
      or
      ssh -R 0.0.0.0:8080:localhost:80 -N root@website.com
      or
      ssh -R [::]:8080:localhost:80 -N root@website.com

      Note that if you use OpenSSH sshd server, the server's GatewayPorts option needs to be enabled (set to yes or clientspecified) for this to work (check file /etc/ssh/sshd_config on the server). Otherwise (default value for this option is no), the server will always force port bound on the loopback interface only.

      April 16, 2015 at 11:40:11 AM GMT+2 - permalink - archive.org - http://superuser.com/questions/588591/how-to-make-ssh-tunnel-open-to-public
      remote ssh tunnel
    • 'Re: exception in thread? in Net::SSH::Multi' - MARC

      errs = []
      def test_server(errs, server)
      lambda do |options|
      begin
      server =~ /(.+)@(.+)/
      server_name, user = $2, $1
      puts server_name
      s = Net::SSH.start(server_name, user)
      s.close
      s = server
      rescue Errno::EHOSTUNREACH, SocketError
      puts "echec connexion #{server} : #{$!}"
      errs << server
      s = nil
      end

          return s
      end

      end

      Net::SSH::Multi.start(:on_error => :warn) do |session|

      define the servers we want to use

      session.use &test_server(errs, 'root@srv-04')
      session.use &test_server(errs, 'root@srv-07')
      session.use &test_server(errs, 'root@srv-08')
      session.use &test_server(errs, 'root@fail-08.local')

      execute commands on all servers

      session.exec( "hostname" )

      run the aggregated event loop

      session.loop
      end

      unless errs.empty?
      puts "The command failed on #{errs.size} hosts"
      end

      January 23, 2015 at 3:05:30 PM GMT+1 - permalink - archive.org - http://marc.info/?l=ruby-talk&m=122278906522776&w=2
      multissh ruby ssh
    • thumbnail
      Why aren’t we using SSH for everything? — Medium
      January 18, 2015 at 2:47:54 PM GMT+1 - permalink - archive.org - https://medium.com/@shazow/ssh-how-does-it-even-9e43586e4ffc
      ssh
    • Mosh: the mobile shell
      January 18, 2015 at 2:47:04 PM GMT+1 - permalink - archive.org - https://mosh.mit.edu/
      client lag mobile ssh
    • thumbnail
      What is a SSH key fingerprint and how is it generated? - Super User

      Dans les logs d'accès ssh (/var/log/auth.log), si vous avez passé le loglevel de SSH à VERBOSE, vous pouvez voir pour chaque accès la clé qui a été utilisé.
      Le format est différent de celui dans authorized_keys pour des raisons de lisibilité j'imagine.. Pour faire la conversion depuis authorized_keys vers ce format :

      echo key | base64 | md5
      ou
      ssh-keygen -lf key.pub

      January 18, 2015 at 2:38:57 PM GMT+1 - permalink - archive.org - http://superuser.com/questions/421997/what-is-a-ssh-key-fingerprint-and-how-is-it-generated
      fingerprint key ssh
    • Using an ssh-agent, or how to type your ssh password once, safely.
      January 18, 2015 at 2:29:15 PM GMT+1 - permalink - archive.org - http://rabexc.org/posts/using-ssh-agent
      agent ssh
    • Sessions ssh en cours

      Trouver tous les pid des sessions ssh en cours :
      ss -tnp|grep ':22'
      ss -tp|grep ':22'|grep -Eo ',[0-9]+,'|grep -Eo '[0-9]+'

      Trouver depuis quand ces process sont démarrés :

      ps -eo pid,etimes|grep 26205

      26205 329840

      echo "$(date +%s) - 329743"|bc

      1419103787

      date -d@$(echo "$(date +%s) - 329743"|bc)

      Sat Dec 20 20:31:42 CET 2014

      One liner :

      start time

      for pid in $(ss -tp|grep ':22'|grep -Eo ',[0-9]+,'|grep -Eo '[0-9]+'); do date -d@$(echo "$(date +%s) - $(ps -o etimes -p $pid --no-headers)"|bc); done

      pid + start time

      for pid in $(ss -tp|grep ':22'|grep -Eo ',[0-9]+,'|grep -Eo '[0-9]+'); do echo -n "$pid : " && date -d@$(echo "$(date +%s) - $(ps -o etimes -p $pid --no-headers)"|bc); done

      Si le log level de ssh est en VERBOSE, on peut chercher dans auth.log le fingerprint de la clé publique correspondant à la date à laquelle une session ssh a démarré :

      zgrep sshd /var/log/auth.log*|grep Accepted|grep 'Dec 20'

      January 8, 2015 at 6:20:33 PM GMT+1 - permalink - archive.org - https://links.infomee.fr/?9HRSiQ
      ssh
    • Tyblog | SSH Kung Fu
      January 1, 2015 at 3:12:34 PM GMT+1 - permalink - archive.org - http://blog.tjll.net/ssh-kung-fu/
      ssh
    • The pitfalls of using ssh-agent, or how to use an agent safely
      January 1, 2015 at 3:12:14 PM GMT+1 - permalink - archive.org - http://rabexc.org/posts/pitfalls-of-ssh-agents
      security ssh
    • Exploitability: Attaquer ssh avec ssh-agent.
      January 1, 2015 at 2:41:38 PM GMT+1 - permalink - archive.org - http://exploitability.blogspot.fr/2011/10/attaquer-ssh-avec-ssh-agent.html
      security ssh
    • linux - Is it possible to get OpenSSH to log the public key that was used in authentication? - Server Fault

      Je préfère cette solution, à savoir passer sshd en VERBOSE.

      L'autre solution consiste à utiliser environment dans le fichier authorized_keys puis à écrire dans un fichier (à l'aide de .bashrc par exemple). Mais l'utilisateur peut modifier ce fichier..

      ssh-keygen -lf /path/to/public_key_file

      December 23, 2014 at 5:15:21 PM GMT+1 - permalink - archive.org - http://serverfault.com/questions/291763/is-it-possible-to-get-openssh-to-log-the-public-key-that-was-used-in-authenticat
      audit ssh
    • Russell91/sshrc · GitHub

      wow could be useful

      via skunnyk

      September 19, 2014 at 10:26:30 AM GMT+2 - permalink - archive.org - https://github.com/Russell91/sshrc
      dotconf dotrc linux rc ssh
    • SSH Cheat Sheet | pentestmonkey

      petit rappel
      cheatsheet bien faite

      September 3, 2014 at 10:30:31 AM GMT+2 - permalink - archive.org - http://pentestmonkey.net/cheat-sheet/ssh-cheat-sheet
      ssh
    • thumbnail
      https://github.com/NetSPI/sshkey-grab

      Bon ce code n'a pas marché chez moi... mais il faut bien garder en tête qu'une clé chargée avec un agent va résider en mémoire de manière non chiffrée ;)

      Et de la même manière, elle va résider en mémoire sur un hôte distant si on se connecte en 'ssh -A'. Donc potentiellement, quelqu'un qui a un accès root sur cette machine distante peut récupérer les clés privés des gens qui s'y connectent (en -A)

      github link via skunnyk

      July 21, 2014 at 4:16:55 PM GMT+2 - permalink - archive.org - https://github.com/NetSPI/sshkey-grab
      key security ssh
    • If you run SSHD in your Docker containers, you're doing it wrong!

      via skunnyk

      June 25, 2014 at 10:21:50 AM GMT+2 - permalink - archive.org - http://jpetazzo.github.io/2014/06/23/docker-ssh-considered-evil/
      docker ssh
    • SSHFS inversé (rsshfs) – ®om's blog
      June 16, 2014 at 8:19:24 PM GMT+2 - permalink - archive.org - http://blog.rom1v.com/2014/06/sshfs-inverse-rsshfs/
      ssh sshfs
    • Keep an Eye on SSH Forwarding! | /dev/random

      Quelques pistes pour monitorer le TCPforwarding

      June 3, 2014 at 3:03:36 PM GMT+2 - permalink - archive.org - http://blog.rootshell.be/2009/03/01/keep-an-eye-on-ssh-forwarding/
      forwarding ssh tcp tunnel
    • Performing UDP tunneling through an SSH connection
      • http://www.dest-unreach.org/socat/
      • http://superuser.com/questions/53103/udp-traffic-through-ssh-tunnel
      June 3, 2014 at 9:54:03 AM GMT+2 - permalink - archive.org - http://zarb.org/~gc/html/udp-in-ssh-tunneling.html
      dns networking ssh udp
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