No Open Email Relays or Unauthorized Proxy Servers
What is an open email relay?
An open email relay is an email server that allows anyone to send email through it. No authorization is required. Open email relays are a primary source of spam because they allow anyone to send anything.
What is a proxy server?
A proxy server is a server interposed between a client application, such as a Web browser, and a source server. Proxy servers must not permit unauthorized or unauthenticated use of University services or resources.
Open email relays and unauthorized proxy servers will be disconnected from UCSC's network.
What should you do?
Don’t know if you are running an open email relay or a proxy server? If you are running either at all, it would be because you had set one up, and presumedly you would know about it. Or a hacker could have broken into your machine and set one up.
Signs you're running an open email relay include alerts from your anti-virus or anti-spyware software or your firewall.
For proxy servers, if your computer's firewall is enabled and the various "sharing"and "remote access"-related options are not enabled in the firewall or "sharing" system preferences, you are probably OK.
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