X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/aaaf3892980be914e36a0130691df15ae2ddaecf..46f258147c57d2320fa05ecf108db22854bef13f:/proxy.c

diff --git a/proxy.c b/proxy.c
index 051beb7e..3c81884d 100644
--- a/proxy.c
+++ b/proxy.c
@@ -286,6 +286,15 @@ static int proxy_for_destination (SockAddr addr, char *hostname, int port,
     const char *exclude_list;
 
     /*
+     * Special local connections such as Unix-domain sockets
+     * unconditionally cannot be proxied, even in proxy-localhost
+     * mode. There just isn't any way to ask any known proxy type for
+     * them.
+     */
+    if (addr && sk_address_is_special_local(addr))
+        return 0;                      /* do not proxy */
+
+    /*
      * Check the host name and IP against the hard-coded
      * representations of `localhost'.
      */