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This section deals with questions related to networking, the internet, and a few on the web. <BR><BR>
[My CGI script runs from the command line but not the browser. (500 Server Error)]<BR>
[How can I get better error messages from a CGI program?]<BR>
[How do I remove HTML from a string?]<BR>
[How do I extract URLs?]<BR>
[How do I download a file from the user's machine? How do I open a file on another machine?]<BR>
[How do I make a pop-up menu in HTML?]<BR>
[How do I fetch an HTML file?]<BR>
[How do I automate an HTML form submission?]<BR>
[How do I decode or create those %-encodings on the web?]<BR>
[How do I redirect to another page?]<BR>
[How do I put a password on my web pages?]<BR>
[How do I edit my .htpasswd and .htgroup files with Perl?]<BR>
[How do I make sure users can't enter values into a form that cause my CGI script to do bad things?]<BR>
[How do I parse a mail header?]<BR>
[How do I decode a CGI form?]<BR>
[How do I check a valid mail address?]<BR>
[How do I decode a MIME/BASE64 string?]<BR>
[How do I return the user's mail address?]<BR>
[How do I send mail?]<BR>
[How do I read mail?]<BR>
[How do I find out my hostname/domainname/IP address?]<BR>
[How do I fetch a news article or the active newsgroups?]<BR>
[How do I fetch/put an FTP file?]<BR>
[How can I do RPC in Perl?]<BR>