Table 4-1 provides a reference to the many files and programs installed with SSH.
Table 4-1. Software inventory
Component | OpenSSH | Tectia |
|---|---|---|
Server config | /etc/ssh/sshd_config | /etc/ssh2/sshd2_config |
Global client config | /etc/ssh/ssh_config | /etc/ssh2/ssh2_config |
Host private key | /etc/ssh/ssh_host_dsa_key | /etc/ssh2/hostkey |
Host public key | /etc/ssh/ssh_host_dsa_key.pub | /etc/ssh2/hostkey.pub |
Client host keys | /etc/ssh/ssh_known_hosts ~/.ssh/known_hosts | /etc/ssh2/hostkeys ~/.ssh2/hostkeys/* |
Remote host keys | ~/.ssh/known_hosts | ~/.ssh2/knownhosts/* |
libwrap control files | /etc/hosts.allow /etc/hosts.deny | /etc/hosts.allow /etc/hosts.deny |
Authorization for login via public key | ~/.ssh/authorized_keys
| ~/.ssh2/authorization |
Authorization for login via trusted host | /etc/hosts.equiv /etc/shosts.equiv ~/.shosts ~/.rhosts | /etc/hosts.equiv /etc/shosts.equiv ~/.shosts ~/.rhosts |
Default key pair for public-key authentication | SSH-2/RSA: ~/.ssh/id_rsa{.pub} SSH-2/DSA: ~/.ssh/id_dsa{.pub} | (No default) |
Random seed | ~/.ssh/prng_seed [a] | ~/.ssh2/random_seed /etc/ssh2/random_seed |
Commands for generating randomness | /etc/ssh/ssh_prng_cmds | - |
Terminal client | ssh slogin link to ssh | ssh2 [b] |
Secure file copy client | scp | scp2 b |
Signer program | ssh-keysign | ssh-signer2 b |
sftp2/scp2 server | sftp-server | sftp-server2 b |
Authentication agent | ssh-agent | ssh-agent2 b |
Key generator | ssh-keygen | ssh-keygen2 b |
Key add/remove | ssh-add | ssh-add2 b |
Find SSH servers | ssh-keyscan | ssh-probe2 b |
Get passphrase via terminal or X | ssh-askpass x11-ssh-askpass | ssh-askpass2 b |
Server program | sshd | sshd2 b |
[a] Present only if using OpenSSH's internal entropy-gathering mechanism (i.e., no /dev/random or equivalent on system). [b] A symbolic link without the "2" suffix is also installed. | ||