我正在尝试从 Ubuntu 笔记本电脑连接到 irc.rizon.net。我以前从未在 Linux 机器上使用过 IRC，但我认为这与平常没什么不同。我没有打开任何防火墙（据我所知），而且我思考我已经按照预期运行了 ident 进程。但每当我尝试连接到我尝试过的任何服务器时，我都会收到以下消息：
Looking up irc.rizon.net
Connecting to us.iso.rizon.net (64.150.180.13) port 6667...
Connected. Now logging in...
Please wait while we process your connection.
*** Looking up your hostname...
*** Checking Ident
*** Found your hostname
*** Got Ident response
Closing Link: pha-med00115.dhcp.unc.edu (Registration timed out)
Disconnected (Remote host closed socket).
Cycling to next server in Rizon...
Disconnected ().
Looking up irc.rizon.net
Connecting to us.iso.rizon.net (198.87.3.75) port 6667...
Connected. Now logging in...
Please wait while we process your connection.
*** Looking up your hostname...
*** Checking Ident
*** Found your hostname
*** Got Ident response
Closing Link: pha-med00115.dhcp.unc.edu (Registration timed out)
该过程不断重复，直到我关闭 Xchat。
有任何想法吗？