telnetd-ssl - telnet server with SSL encryption support

Distribution: Ubuntu 16.04 LTS (Xenial Xerus)
Repository: Ubuntu Universe i386
Package name: telnetd-ssl
Package version: 0.17.40+0.2
Package release: 1
Package architecture: i386
Package type: deb
Installed size: 181 B
Download size: 48.73 KB
Official Mirror:
The in.telnetd program is a server which supports the DARPA telnet interactive communication protocol. SSL telnetd replaces normal telnetd using SSL authentication and encryption. It interoperates with normal telnetd in both directions. It checks if the other side is also talking SSL, if not it falls back to normal telnet protocol. Advantages over normal telnetd: Your passwords and the data you send will not go in cleartext over the line. Nobody can get it with tcpdump or similar tools.



  • telnet-server


  • telnetd


    Source package: netkit-telnet-ssl

    Install Howto

    1. Update the package index:
      # sudo apt-get update
    2. Install telnetd-ssl deb package:
      # sudo apt-get install telnetd-ssl


    • /etc/telnetd-ssl/openssl.cnf
    • /usr/lib/telnetlogin
    • /usr/sbin/in.telnetd
    • /usr/share/doc/telnetd-ssl/NEWS.Debian.gz
    • /usr/share/doc/telnetd-ssl/changelog.Debian.gz
    • /usr/share/doc/telnetd-ssl/copyright
    • /usr/share/lintian/overrides/telnetd-ssl
    • /usr/share/man/man5/
    • /usr/share/man/man8/in.telnetd.8.gz
    • /usr/share/man/man8/telnetd.8.gz
    • /usr/share/man/man8/telnetlogin.8.gz


    2015-04-27 - Mats Erik Andersson <> netkit-telnet-ssl (0.17.40+0.2-1) unstable; urgency=low * Bring in package changes from experimental to unstable. * Update to source version 0.17-40 of netkit-telnet. + debian/rules: Define and use the variable LDDEFS.

    2015-04-27 - Mats Erik Andersson <> netkit-telnet (0.17-40) unstable; urgency=low * Bring in package changes from experimental to unstable. * debian/rules: Add a variable LDDEFS. It is consumed during linking and is intended to suppress unnecessary linking.

    2015-03-17 - Mats Erik Andersson <> netkit-telnet-ssl (0.17.39+0.2-1) experimental; urgency=low * Import the changes in upstream 'netkit-telnet', relevant to reach a common version '0.17.39' also with this package variant. + debian/patches/045-avoid_unsetting_term.diff: New file. + debian/patches/120-some_protocol_refinement.diff: New file. + debian/patches/130-drain_input_from_child.diff: New file. + debian/patches/610-support_uservar.diff: New file. + debian/patches/620-do_not_strip_telnetlogin.diff: New file. + debian/rules: Add '-DACCEPT_USERVAR' to CFLAGS and CXXFLAGS.

    2015-03-09 - Mats Erik Andersson <> netkit-telnet (0.17-39) experimental; urgency=low * Isolate support for USERVAR in a separate patch for easier use in the variant package netkit-telnet-ssl. Add LANG and LC_* to the list of environment variables acceptable by the server. Add support in the client for exporting USERVAR classified variables. + debian/patches/120-some_protocol_refinement.diff: Updated. + debian/patches/124-support_uservar.diff: New file. * Activate support for user variables in environment. The server accepts USERVAR classified variables, and the user agent announces non-standard named variables as USERVAR. Closes: #237268 + debian/rules: Add '-DACCEPT_USERVAR' to CFLAGS and to CXXFLAGS. * Modify patch for direct use also with package netkit-telnet-ssl. + debian/patches/130-drain_input_from_child.diff: Updated.

    2015-02-06 - Mats Erik Andersson <> netkit-telnet (0.17-38) experimental; urgency=low * Interchange maintainer and uploader! * Refactor patch sets. + debian/patches/010-full_set_in_18.diff: Updated and renamed. + debian/patches/020-from_18_to_24.diff: Updated and renamed. + debian/patches/022-buffer_overflow_by_HOME.diff: New file. + debian/patches/024-can_2004-0911.diff: New file. + debian/patches/026-can_2005_0469.diff: New file. * Repair broken host name check in telnetlogin. + debian/patches/140-telnetlogin_name_check.diff: New file. * New switch '-N' for telnetd. Taken from netkit-telnet-ssl. + debian/patches/142-numeric_hosts.diff: New file. * Suppress a useless error message at package removal. + debian/telnetd.postrm: Updated.