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| author | Hans Nilsson <[email protected]> | 2017-04-04 19:53:05 +0200 |
|---|---|---|
| committer | Hans Nilsson <[email protected]> | 2017-04-07 10:23:41 +0200 |
| commit | 7ad21ca66f5a46be231fffe884ac2c3b5d97c7ae (patch) | |
| tree | e29e3010212809dc9c2981d36663a1e69aa9f680 /lib/ssh/doc | |
| parent | 2f91341ae855b28c82024caa87c7541e94f68a18 (diff) | |
| download | otp-7ad21ca66f5a46be231fffe884ac2c3b5d97c7ae.tar.gz otp-7ad21ca66f5a46be231fffe884ac2c3b5d97c7ae.tar.bz2 otp-7ad21ca66f5a46be231fffe884ac2c3b5d97c7ae.zip | |
ssh: document what happens when ssh:daemon sets both HostAddr and ip option
The idea is that the HostAddress argument takes precedence over an
ip-option. However, an ip-option overrides the 'any' HostAddr.
This fixes the case of dameon(Port, [{ip,IP}..] in a non-surprising
way.
Diffstat (limited to 'lib/ssh/doc')
| -rw-r--r-- | lib/ssh/doc/src/ssh.xml | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml index 88d402cf38..48c9aa18e9 100644 --- a/lib/ssh/doc/src/ssh.xml +++ b/lib/ssh/doc/src/ssh.xml @@ -379,7 +379,7 @@ on the given port.</fsummary> <type> <v>Port = integer()</v> - <v>HostAddress = ip_address() | any</v> + <v>HostAddress = ip_address() | any | loopback</v> <v>Options = [{Option, Value}]</v> <v>Option = atom()</v> <v>Value = term()</v> @@ -390,6 +390,26 @@ <p>Starts a server listening for SSH connections on the given port. If the <c>Port</c> is 0, a random free port is selected. See <seealso marker="#daemon_info/1">daemon_info/1</seealso> about how to find the selected port number.</p> + + <p>Please note that by historical reasons both the <c>HostAddress</c> argument and the inet socket option + <c>ip</c> set the listening address. This is a source of possible inconsistent settings.</p> + + <p>The rules for handling the two address passing options are:</p> + <list> + <item>if <c>HostAddress</c> is an ip-address, that ip-address is the listening address. + An ip-option will be discarded if present.</item> + + <item>if <c>HostAddress</c> is <c>loopback</c>, the listening address + is <c>loopback</c> and an loopback address will be choosen by the underlying layers. + An ip-option will be discarded if present.</item> + + <item>if <c>HostAddress</c> is <c>any</c> and no ip-option is present, the listening address is + <c>any</c> and the socket will listen to all addresses</item> + + <item>if <c>HostAddress</c> is <c>any</c> and an ip-option is present, the listening address is + set to the value of the ip-option</item> + </list> + <p>Options:</p> <taglist> <tag><c><![CDATA[{inet, inet | inet6}]]></c></tag> |