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  2. Anonymous proxy - Wikipedia

    en.wikipedia.org/wiki/Anonymous_proxy

    The advantage is that no extra software is needed. The operation occurs in this manner: a connection is made by the user to the anonymizer. Commands to the anonymizer are included inside a typical message. The anonymizer then makes a connection to the resource specified by the inbound command and relays the message with the command stripped out.

  3. Proxy server - Wikipedia

    en.wikipedia.org/wiki/Proxy_server

    The destination server (the server that ultimately satisfies the web request) receives requests from the anonymizing proxy server and thus does not receive information about the end user's address. The requests are not anonymous to the anonymizing proxy server, however, and so a degree of trust is present between the proxy server and the user.

  4. Block and unblock email addresses in AOL Mail

    help.aol.com/articles/block-and-unblock-email...

    Block email addresses. 1. Open an email or select it from your mailbox. 2. Click the More icon. 2. Click Block Senders. 2. Optionally, select to also delete emails you've received from the sender.

  5. How to Block Annoying Emails for Good - AOL

    www.aol.com/block-annoying-emails-good-190739065...

    Click “Junk” > “Block Sender” How to block emails on Yahoo. Web browser. Open an email from the sender that you want to block. Click the three-dot icon at the top of the email. Click ...

  6. IP address blocking - Wikipedia

    en.wikipedia.org/wiki/IP_address_blocking

    Unix-like operating systems commonly implement IP address blocking using a TCP wrapper, configured by host access control files /etc/hosts.deny and /etc/hosts.allow.. Both companies and schools offering remote user access use Linux programs such as DenyHosts or Fail2ban for protection from unauthorized access while allowing permitted remote access.

  7. Block all senders except for Contacts - AOL Help

    help.aol.com/articles/block-all-senders-except...

    Block all senders except for Contacts Avoid the frustration of unwanted emails by enabling the option to only receive messages from senders who are in your contact list. If you're expecting messages from a specific sender, be sure to add their email address to Contacts .

  8. Keep your inbox clean by blocking unwanted mail in AOL ...

    help.aol.com/articles/keep-your-inbox-clean-by...

    Block email addresses from Settings 1. Sign in to Desktop Gold. 2. Click Settings. 3. Click Mail. 4. Click the Spam Controls tab. 5. In the box under Block mail from addresses I specify, type the email addresses that you do not wish to receive mail from. Use commas to separate email addresses.

  9. DNS blocking - Wikipedia

    en.wikipedia.org/wiki/DNS_blocking

    Domain Name System blocking, or DNS blocking / filtering, is a strategy for making it difficult for users to locate specific domains or websites on the Internet.It was first introduced in 1997 as a means to block spam email from known malicious IP addresses.