server... failed connect(): Socket Error (0)

[Sc0tt]

Got this error message recently when using IPUpdate with one of the major (previously) free dynamic dns providers. The trick was to set the protocol to "udp".

Add protocol to the config file like this:

server "update.xyzdns.com"
{
        protocol "udp"
zone "<mydomain>.xyzdns.org"
{
hosts "@,www,*"
keyname "001122334455"                               <--- TSIG "Key Name"
keydata "00112233445566778899aabb"     <--- TSIG "Key HMAC"
}
}