Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

alias entry: Click here to view code image postmaster: root This entry forwards any mail received fo ...

functionality is included in those mail clients. Unfortunately, many MUAs do not know anything about ...

The first section of .fetchmailrc contains the global options. These options affect all the mail servers and us ...

the mail server. This example uses POP3. Other legal options are IMAP, Authenticated Post Office Protocol ...

no dns user foobar pass secretword fetchall flush This file tells Fetchmail to do the following: Check ...

specified interval. For more advanced options, see the Fetchmail man page, which is well written and docume ...

manually create a ~/.procmail file for each user, or users can create their own. There is no system-wide d ...

address book and folders for segregating email. You must configure your web server to work with PHP 4. You c ...

documentation for ClamAV [http://www.rfc-editor.org—A repository of Requests for Comments (RFCs),](http://www.rfc-e ...

CHAPTER 36 Proxying, Reverse Proxying, and Virtual Private Networks (VPNs) IN THIS CHAPTER What Is a Proxy ...

the web and send the HTTP request. Instead, they connect to the local proxy server. The proxy then forwar ...

FIGURE 36.1 Setting up Firefox to use 127.0.0.1 routes all its web requests through Squid. You can similarly configur ...

matthew@seymour:~$ sudo tail -f access.log cache.log This reads the last few lines from both files an ...

default rules. In your web browser (Firefox is assumed from here on because it is the default in a standard ...

everyone (including the localhost) from accessing the proxy. Now you are going to add some conditional allow ...

Click here to view code image acl freetime time MTWHFAS 18:00-23:59 This time, the category is called ...

acl playsites dstdomain .tomshardware.com ubuntulinux.org acl worktime time MTWHF 9:00-18:00 acl freetime time ...

acl noporn url_regex -i sex Do not forget to run the kill -SIGHUP command each time you make changes to Squid; ...

192.0.0.255, then 192.0.1.0, 192.0.1.1, all the way through to 192.255.255.255. The second line uses /16, whic ...

acl workhours time MTWHF 9:00-18:00 # only include lunchtimes acl lunchtimes time MTWHF 13:00-14:00 # only ...