IGEL OS 10.04 IGEL OS Articles SSH Current: SSH: Deprecation of Weak Algorithms as of IGEL Linux 10.04.100 PDF Download PDF Download page SSH: Deprecation of Weak Algorithms as of IGEL Linux 10.04.100. Current page All pages SSH: Deprecation of Weak Algorithms as of IGEL Linux 10.04.100 As of IGEL Linux 10.04.100, certain older, less secure algorithms are deprecated in both the SSH client and server.The following table shows the algorithms enabled by default as of IGEL Linux version 10.04.100.Key exchange algorithmscurve25519-sha256@libssh.orgecdh-sha2-nistp521ecdh-sha2-nistp384ecdh-sha2-nistp256diffie-hellman-group-exchange-sha256Message authentication codes (MACs)hmac-sha2-512-etm@openssh.comhmac-sha2-256-etm@openssh.comumac-128-etm@openssh.comhmac-sha2-512hmac-sha2-256umac-128@openssh.comHost keysssh-ed25519-cert-v01@openssh.comssh-rsa-cert-v01@openssh.comssh-ed25519ssh-rsaecdsa-sha2-nistp521-cert-v01@openssh.comecdsa-sha2-nistp384-cert-v01@openssh.comecdsa-sha2-nistp256-cert-v01@openssh.comecdsa-sha2-nistp521ecdsa-sha2-nistp384ecdsa-sha2-nistp256If you need to enable weaker algorithms, see Enable Weaker Algorithms in the SSH client and/or Enable Weaker Algorithms in the Built-in OpenSSH Server. ×