From 98c0039a8315c7e1392755ca915818e8d46064ce Mon Sep 17 00:00:00 2001 From: Jacob Nevins Date: Sat, 23 Feb 2008 23:56:22 +0000 Subject: [PATCH] Attempt to clarify what the various IP version selection options do. [originally from svn r7882] --- doc/config.but | 12 ++++++++++-- doc/using.but | 3 ++- 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/doc/config.but b/doc/config.but index 4ed912d4..16d15899 100644 --- a/doc/config.but +++ b/doc/config.but @@ -1700,8 +1700,13 @@ TCP keepalives are disabled by default. \cfg{winhelp-topic}{connection.ipversion} This option allows the user to select between the old and new -Internet protocols and addressing schemes (\i{IPv4} and \i{IPv6}). The -default setting is \q{Auto}, which means PuTTY will do something +Internet protocols and addressing schemes (\i{IPv4} and \i{IPv6}). +The selected protocol will be used for most outgoing network +connections (including connections to \I{proxy}proxies); however, +tunnels have their own configuration, for which see +\k{config-ssh-portfwd-address-family}. + +The default setting is \q{Auto}, which means PuTTY will do something sensible and try to guess which protocol you wanted. (If you specify a literal \i{Internet address}, it will use whichever protocol that address implies. If you provide a \i{hostname}, it will see what kinds @@ -2788,6 +2793,9 @@ incoming connections in both IPv4 and (if available) IPv6 \b for a remote-to-local port forwarding, PuTTY will choose a sensible protocol for the outgoing connection. +This overrides the general Internet protocol version preference +on the Connection panel (see \k{config-address-family}). + Note that some operating systems may listen for incoming connections in IPv4 even if you specifically asked for IPv6, because their IPv4 and IPv6 protocol stacks are linked together. Apparently \i{Linux} does diff --git a/doc/using.but b/doc/using.but index 99905c38..0c7fcf88 100644 --- a/doc/using.but +++ b/doc/using.but @@ -870,7 +870,8 @@ PuTTY configuration box (see \k{config-ssh-prot}). \i{Internet protocol version} The \c{-4} and \c{-6} options force PuTTY to use the older Internet -protocol \i{IPv4} or the newer \i{IPv6}. +protocol \i{IPv4} or the newer \i{IPv6} for most outgoing +connections. These options are equivalent to selecting your preferred Internet protocol version as \q{IPv4} or \q{IPv6} in the Connection panel of