Date: Fri, 3 May 2002 15:06:58 +0200 From: Mark Rowlands <mark.rowlands@minmail.net> To: Korey Pelton <peltkore@hotmail.com> Cc: questions@FreeBSD.ORG Subject: Re: I cannot access some websites Message-ID: <200205031506.58223.mark.rowlands@minmail.net> In-Reply-To: <3CD28680.5060108@potentialtech.com> References: <LAW2-F14333HFnwpGR80000a34b@hotmail.com> <3CD28680.5060108@potentialtech.com>
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On Friday 03 May 2002 2:45 pm, Bill Moran wrote: > Korey Pelton wrote: > > Hello, > > > > I apologize for cross-posting this, but I haven't recieved a reply from > > -questions yet, > > Probably because this is an unusual problem. > > > and I need to get this fixed for my job or I will have > > to switch to Windows. > > Heaven forbid. > > > I was running 4.4-release for a long time, and I could access any > > website on the internet. Then, I decided to upgrade to 4.5-release and > > now I cannot access certain websites, some of which include > > www.apache.org and www.bn.com. However, I can access other websites > > such as www.yahoo.com, www.freebsd.org, and www.altavista.com. I have > > tried to find a pattern in the IP addresses, and there is no pattern. > > How about a pattern in the routing, or the HTTP request, or the HTTP > reply, or the TCP packets returned? > Don't look for patterns like that, you'll probably drive yourself nuts. > > > What seems so strange is that I can successfully ping ANY website on the > > internet from my machine. > > Good, that means your routing and DNS and TCP stack are configured > properly. > > > When pointing the Lynx browser to > > http://www.apache.org, it says "Looking up www.apache.org" for about 1/2 > > second and then it says "Making http connection" for about 2 minutes and > > then it says "cannot connect!" and then it stops. And, yes, I can > > successfully ping apache.org. I also tried using Opera and had the same > > results as with Lynx. > > Do you use a proxy server? > > > I have read the ppp chapter in the handbook about 8 or 9 times just > > trying to find a clue to whatever I am doing wrong. Last night, I did a > > cvsup and then a buildworld, buildkernel, installkernel, and > > installworld, and I still get the same results. However, today, I > > believe I can access a few websites that I couldn't access yesterday, > > but then again, that could be my mind playing tricks on me. I still > > cannot access a lot of websites. I am using the same ISP that I used > > before and that I use in windows, and I only have this problem with this > > upgraded machine. > > Does your ISP use a proxy, or transparent proxy? That's a possible point > of trouble. > Download ethereal or use tcpdump and see what difference there is between > the sites that work and those that don't. > Try using telnet to connect to the problem sites (use "telnet site.name > http") and see if anything looks funky. If you don't understand the output > of ethereal or telnet, post the relevent details to the list so folks have > enough information to diagnose your problem a little better. > > > Anyway, I am willing to send anyone my kernel config file, ppp.conf, or > > any other file that might be helpful in solving this problem. Thank you > > all and I look forward to any reply. > > Send the output of some experiments, > but try to snip it intelligently. Thats what we used to say to the mohel. You mentioned PPP......are you running through an adsl link with nat / ipfilter or ipfw perchance...... might want to check those logs too. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the messagehelp
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