[FIXED] Fedora 8 - No WWW/POP3
EDIT: Fixed. Turns out the only problem was that it wasn't resolving IPs. I just had to specify the DNS servers for the ethernet card, and straight-away it worked. I figured this out after pinging random websites, finding the IPs and then typing the IPs in Firefox. Firefox would immediately go to that website, which showed that the only problem was with resolving IPs. I looked at my router's DNS specs, put them in system-config-network and it was all OK.
Also, I had to change the router's firewall such that it allows DNS and DHCP from external networks. I also made it allow FTP and telnet for my convenience.
I've searched the forums and haven't found anything that's as unique as mine. Most people's connections seem to not work at all.
I got into *NIX not too long ago because a requirement of my university course is to learn the operating system. While It's interesting and nice to fiddle around with, I've encountered a problem right off the bat.
I can't access any websites via Firefox, or receive POP3 emails via "Evolution."
The strange thing is that at one time Firefox would load pages about halfway, and then seem to stop trying (still working, but no further data seems to be transferred). Google wouldn't work and, ironically enough, the fedoraproject website worked :p
POP3 mail isn't working at all. I've tried to Send/Receive about 10 times and it's timed out all 10 times. SMTP isn't working either (tried to send e-mail, timing out).
Another strange phenomenon is that I tried to ping some sites via Terminal (bash) and it worked. Pinging Google (which obviously then got resolved to an IP) worked, so I don't think it's a DNS problem.
Another thing that I noticed was that I can connect to my router (10.1.1.1), but otherwise the connection to outside websites would either slow to a crawl or not work at all.
I'm thinking that it's my router. I find it interesting that some protocols are working and some aren't. Any help would be appreciated.
Router: D-Link DSL-504T 4-port router (wired, RJ-45 cable)
Linux distribution: Fedora 8 - i386
Processor: Intel Pentium III - 800Mhz
RAM: 512MB SDRAM
Modem: Conexant Something-or-other (if this is the problem do tell, so
What iptables rules does your machine have (/sbin/iptables -n -L')?
What firewalling does your router do?
If you are on a campus network, does it require you to use their proxies?
Else what does running tcptraceroute show connecting (or manually telnetting) to the IP addressses of your SMTP?
Fixed. Thanks for your reply, unSpawn (read first post)
Thanks for your reply.
I'm rather new to *NIX so I'll try to do what you instructed me to do.
I'm going to be using this laptop at home always (no proxies).
My router seems to have 3 types of protection as a firewall? One is DoS Protection (checks for SYN flood), the other is port scan protection, and this one which is starting to make me think, which is "Service filtering". This is blocking an item called "DHCP from External Network" and "DNS from External Network." It may be treating the PC as an external network, since it doesn't recognise the PC's name, but only gives it the name "unknown." Clue?! I made it so that it doesn't block FTP, DNS or DHCP from unkno
Thanks for your help,
Well done fixing this yourself.
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