An open proxy is an unrestricted point of access to the Internet, frequently used by spammers. LiveJournal protects the site and users from spam by banning open proxies from submitting anonymous comments and payments. LiveJournal uses a public register, frequently updated and not managed by LiveJournal, to identify IP addresses as open proxies.
If your IP address has been blocked, contact your Internet Service Provider (ISP); they can investigate why it's blocked and have your IP address removed from the list. If you cannot avoid using an open proxy when connecting to the Internet, you may wish to create an account
to comment on LiveJournal.