Hi, Charles, Thank you for the response. I am sorry that I didn't make it clear. Here is it: I use Apache 2; there is no error in its log file. The script doesn't need to write to files, it just retrieve some web page, say, http://www.yahoo.com/index.html, then extract some data from it and show it. The following simple script illustrates this: ============ perl script =============== #!/usr/bin/perl use LWP::UserAgent; my $ua = LWP::UserAgent->new; $ua->timeout(10); my $resp = $ua->get("http://www.yahoo.com/"); my $resultUsingLWP; if($resp->is_success) { $resultUsingLWP = $resp->content; } else { $resultUsingLWP = $resp->status_line; } print "Content-type: text/html; charset=utf-8\n\n"; print "LWP result: {$resultUsingLWP}"; 0 ========= end of perl script ======== This runs fine in command line, it prints the HTML code of Yahoo's homepage. But when I run it as a CGI script from browser, it returns following message: LWP result: {500 Can't connect to www.yahoo.com:80 (Bad hostname 'www.yahoo.com')} That's weird that the internet connection is fine (otherwise I wouldn't be able to reply this email). So it indicates that when a CGI script wants to do this, it will be blocked by some mechanism... I am not sure if it has anything to do with SELinux... thanks a lot! Chris --- Charles Curley <charlescurley@xxxxxxxxxxxxxxxxx> wrote: > On Sat, Nov 25, 2006 at 11:01:46AM -0800, Chris wrote: > > Hi, > > > > I found that I cannot make my perl script work: it uses LWP or > > simpleget.pl to retrieve a web page, then process on the data > > retrieved. This script can work fine in command line, but if I run > > it as a CGI script, no data can be retrieved. > > > > I guess that there is some kind of restrictions on this in the > > security machanism, but I am not sure. Could anyone shed some light > > on this for me? > > Have you checked your web server's logs? I suspect a lack of > permission to write to the directory where you want to put the > files. You didn't indicate your server. Apache runs as apache:apache, > and tomcat as tomcat:tomcat. > > -- > > Charles Curley /"\ ASCII Ribbon Campaign > Looking for fine software \ / Respect for open standards > and/or writing? X No HTML/RTF in email > http://www.charlescurley.com / \ No M$ Word docs in email > > Key fingerprint = CE5C 6645 A45A 64E4 94C0 809C FFF6 4C48 4ECD DFDB > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list ____________________________________________________________________________________ Do you Yahoo!? Everyone is raving about the all-new Yahoo! Mail beta. http://new.mail.yahoo.com