can connect to isp, but can't open webpages
what should it be? some peoples told me that when this kind of things happen it should be misconfiguration with DNS. Is it true? I use a dial-up connection. thanks for any help a.
On Thursday 20 May 2004 20:34, Adagilson Batista Bispo da Silva wrote:
what should it be? some peoples told me that when this kind of things happen it should be misconfiguration with DNS. Is it true? Hello Adagilson, It could be that you have not set up / are not pickup up the DNS servers. Connect to the internet and try opening up:
http://www.google.com/ If it doesn't work, then try: http://216.239.59.99/ If the second one works then yes, it is a DNS issue. I have not used dialup in a number of years, so I cannot help with that setup - there are others on this list far more knowledgable than I, but this should determine whether DNS is the cause. If the second URL didn't work, then it may be that you need to access the web via a proxy server OR there is something else amiss. Hope this helps in some way, shape, or form :) Take care, Jon
Thanks for helping, Purple and C. Hamel! Consider that I am *not* using a DNS server, but a dial-up connection. I have never needed to set DNS to access internet whether on Windows or Linux. Some more ideas? a. The Purple Tiger escreveu:
On Thursday 20 May 2004 20:34, Adagilson Batista Bispo da Silva wrote:
what should it be? some peoples told me that when this kind of things happen it should be misconfiguration with DNS. Is it true?
Hello Adagilson, It could be that you have not set up / are not pickup up the DNS servers. Connect to the internet and try opening up:
http://www.google.com/ If it doesn't work, then try: http://216.239.59.99/ If the second one works then yes, it is a DNS issue. I have not used dialup in a number of years, so I cannot help with that setup - there are others on this list far more knowledgable than I, but this should determine whether DNS is the cause. If the second URL didn't work, then it may be that you need to access the web via a proxy server OR there is something else amiss.
Hope this helps in some way, shape, or form :)
Take care,
Jon
On Friday 21 May 2004 06:16, Adagilson Batista Bispo da Silva wrote:
Thanks for helping, Purple and C. Hamel! Consider that I am *not* using a DNS server, but a dial-up connection. I have never needed to set DNS to access internet whether on Windows or Linux. Some more ideas?
You need a DNS regardless of the method you use to connect to the internet. You are almost certainly getting your IP address set automatically via dhcp from your ISP. dhcp *can* also set up your DNS IP address(es) automatically but this depends on how things are configured. You need to either configure your system to get DNS IP addresses via dhcp or define them yourself. -- Robert C. Paulsen, Jr. robert@paulsenonline.net
I think this IP is got automatically. Look at these messages that appear when I am connecting (I am using 2 scripts: to connect ppp-on and ppp-off to disconnect via ppp) : adagilson@localhost:~$ppp-on bash: ppp-on: command not found adagilson@localhost:~$su Password: root@localhost:/home/adagilson# ppp-on root@localhost:/home/adagilson# Serial connection established. Using interface ppp0 Connect: ppp0 <--> /dev/modem local IP address 200.151.182.81 remote IP address 200.199.191.203 $ppp-off ppp link to [ppp0] terminated: Demand dialing stopped. Should I use "remote IP address as DNS"? a. Robert Paulsen escreveu:
On Friday 21 May 2004 06:16, Adagilson Batista Bispo da Silva wrote:
Thanks for helping, Purple and C. Hamel! Consider that I am *not* using a DNS server, but a dial-up connection. I have never needed to set DNS to access internet whether on Windows or Linux. Some more ideas?
You need a DNS regardless of the method you use to connect to the internet.
You are almost certainly getting your IP address set automatically via dhcp from your ISP. dhcp *can* also set up your DNS IP address(es) automatically but this depends on how things are configured.
You need to either configure your system to get DNS IP addresses via dhcp or define them yourself.
-- Adagilson Batista Bispo da Silva Bibliotecário FIOCRUZ-Centro de Pesquisa Aggeu Magalhães
On Friday 21 May 2004 1:09 pm, Adagilson Batista Bispo da Silva wrote: < script and previous text snipped > Look here mate. Do you remember this thread? http://lists.suse.com/archive/suse-linux-e/2004-May/2683.html You got the answer in the first 2 replies from Anders Johansson and myself, but you diddled around and did something else and said "Some more ideas?" in response. After I wrote to you off-list and said there were no new ideas, so try the ones you have been given, you got it working. Do you notice a pattern here? Purple Tiger gave you some sound advice in the first response to your original question. Have you followed it? Not that you have told us, but the information from Purple Tiger's test is as useful to the people on the list trying to help you as it is to you. But your reply to Puple Tiger's post ends "Some more ideas?". So use your imagination, to think of my advice to you now and try that. I am not trying to give to a hard time, by not telling you the advice. I am trying to get you to go through that thinking process once for yourself, hoping that it will help you solve more problems more quickly in future. Please, in future, when you start an email which you know will end with the words "Some more ideas?", stop and check whether you really have followed the advice already given and if you have, then tell us what the outcome was. And if you have not followed the advice, either give a good reason or don't send the email. Otherwise I shall suggest you do a google search on PEBKAC, which I begin to suspect is a contributory factor which should not be imposed on the list Vince ps I am not going to insist, because I don't like the religious wars which surround this topic, but many on this list would prefer that when you reply to a post, you write your text _after_ the quoted post. For you it would be helpful to do this and read the quoted text, before you start to write your reply.
Sorry, man! take it easy. I was doing what you suggested but i've got myself lost in middle of the proccess someway. it tried to boot thru /dev/dha10 but it was not mounted; and I mounted but it was booting with SuSE kernel. So I couldn't imagine that the vmlinuz file should be copied. You told me I should Slackware but I didn't know how could be made. It was my deficiency. Asking into the lists just give the oportunity to other people with the same problem in the future find my solution. You're rigth: not telling these deficiency and where in the proccess I was just can't help "other people". Sorry. As I said in the first line of the that thread I am grateful to you and others friends that had given so much help to me. I would like that this "incident" could not be a reason for you not share your knowledge with another people. Could you imagine how much people with the same problem are waiting answers for this thread? :D Please, give them a chance ;) Embraces, Adagilson Vince Littler escreveu:
On Friday 21 May 2004 1:09 pm, Adagilson Batista Bispo da Silva wrote:
< script and previous text snipped >
Look here mate. Do you remember this thread? http://lists.suse.com/archive/suse-linux-e/2004-May/2683.html
You got the answer in the first 2 replies from Anders Johansson and myself, but you diddled around and did something else and said "Some more ideas?" in response. After I wrote to you off-list and said there were no new ideas, so try the ones you have been given, you got it working.
Do you notice a pattern here?
Purple Tiger gave you some sound advice in the first response to your original question. Have you followed it? Not that you have told us, but the information from Purple Tiger's test is as useful to the people on the list trying to help you as it is to you. But your reply to Puple Tiger's post ends "Some more ideas?".
So use your imagination, to think of my advice to you now and try that. I am not trying to give to a hard time, by not telling you the advice. I am trying to get you to go through that thinking process once for yourself, hoping that it will help you solve more problems more quickly in future.
Please, in future, when you start an email which you know will end with the words "Some more ideas?", stop and check whether you really have followed the advice already given and if you have, then tell us what the outcome was. And if you have not followed the advice, either give a good reason or don't send the email.
Otherwise I shall suggest you do a google search on PEBKAC, which I begin to suspect is a contributory factor which should not be imposed on the list
Vince
ps I am not going to insist, because I don't like the religious wars which surround this topic, but many on this list would prefer that when you reply to a post, you write your text _after_ the quoted post. For you it would be helpful to do this and read the quoted text, before you start to write your reply.
You may not know it, but in someway you must be using DNS when you successfully surf the internet. DNS is how your system translates the URL you type in a web browser into the IP addresses. The data travelling around the internet generally only uses IP addresses, so to get a web page in your browser this translation is essential. In windows when you dial up to the internet and your machine gets its settings automatically from your ISP one of the things it normally gets is the address of the DNS server to use. You can also make these settings manual, and some ISP's used to require it. So, you will need to check your dialup settings and check with your ISP and try putting the details in manually. As you say that you have previously connected using linux dialup, have you sat down and documented the changes that have happened? Did you run YOU? Did you install anything? Did you change any settings? Have you decided to use a different ISP? You don't mention anything about whether you tried the test that Purple Tiger suggested, it would help to diagnose the issue and you may then be able to get more directed help. Your ISP could have changed its policy and decided to only allow internet access through its proxy server (it happens here in the UK if nowhere else). Have you tried calling their help-line and asking whether they have made any changes recently that could affect your connection in this way? Damon
-----Original Message----- From: Adagilson Batista Bispo da Silva [mailto:adagilson@cpqam.fiocruz.br] Sent: 21 May 2004 12:17 To: SLE Subject: Re: [SLE] can connect to isp, but can't open webpages
Thanks for helping, Purple and C. Hamel! Consider that I am *not* using a DNS server, but a dial-up connection. I have never needed to set DNS to access internet whether on Windows or Linux. Some more ideas? a.
The Purple Tiger escreveu:
On Thursday 20 May 2004 20:34, Adagilson Batista Bispo da Silva wrote:
what should it be? some peoples told me that when this kind of things happen it should be misconfiguration with DNS. Is it true?
Hello Adagilson, It could be that you have not set up / are not pickup up the DNS servers. Connect to the internet and try opening up:
http://www.google.com/ If it doesn't work, then try: http://216.239.59.99/ If the second one works then yes, it is a DNS issue. I have not used dialup in a number of years, so I cannot help with that setup - there are others on this list far more knowledgable than I, but this should determine whether DNS is the cause. If the second URL didn't work, then it may be that you need to access the web via a proxy server OR there is something else amiss.
Hope this helps in some way, shape, or form :)
Take care,
Jon
-- Check the headers for your unsubscription address For additional commands send e-mail to suse-linux-e-help@suse.com Also check the archives at http://lists.suse.com Please read the FAQs: suse-linux-e-faq@suse.com
On Friday 21 May 2004 12:16, Adagilson Batista Bispo da Silva wrote:
Thanks for helping, Purple and C. Hamel! Consider that I am *not* using a DNS server, but a dial-up connection. I have never needed to set DNS to access internet whether on Windows or Linux. Some more ideas? a. Hey there :)
Whilst you may not be running a DNS server, you will definitely be needing to set your DNS server to access things like named URLs rather than IP addresses. The reason? DNS translates the "human readable" form of "www.google.com" into a "machine readable" IP address. Please note that I am oversimplifying here just to give you the general idea. If you were hosting your own domain you would want to set up a DNS server. However, as you are accessing the internet only, you need to let your machine know where to find other DNS servers so it can translate human-readable addresses to computer form. The two addresses I suggested you tried are actually the same! The first was "human readable" which requires the use of a DNS server (at your ISP) and the second was the "machine readable" version that won't require a DNS lookup. Did the dotted quad IP address work (http://216.239.59.99/)? If it didn't, then it would suggest a routing problem or some other connectivity problem. It is one way of trying to isolate the problem. For your info, when you dial up with Windows or Linux, you normally get a dynamic IP and your ISP informs your dialup software of the IP addresses of their DNS server. You may not have had to "set it" before as it should be sent automagically by your ISP :) Hope this helps some more :) Jon
Thank you so much, Tiger! I will try to access URL with IP numbers hoping to confirm the connection. The Purple Tiger escreveu:
On Friday 21 May 2004 12:16, Adagilson Batista Bispo da Silva wrote:
Thanks for helping, Purple and C. Hamel! Consider that I am *not* using a DNS server, but a dial-up connection. I have never needed to set DNS to access internet whether on Windows or Linux. Some more ideas? a.
Hey there :)
Whilst you may not be running a DNS server, you will definitely be needing to set your DNS server to access things like named URLs rather than IP addresses. The reason? DNS translates the "human readable" form of "www.google.com" into a "machine readable" IP address. Please note that I am oversimplifying here just to give you the general idea.
If you were hosting your own domain you would want to set up a DNS server. However, as you are accessing the internet only, you need to let your machine know where to find other DNS servers so it can translate human-readable addresses to computer form.
Searching by "ig dns linux" at Google.com I've discobered some numbers to my ISP, ig.com.br: # cat /etc/resolv.conf nameserver 192.168.1.1 nameserver 200.225.157.104 nameserver 200.225.157.105 (source: http://www.linuxrapido.linuxdicas.com.br/modules.php?name=Forums&file=viewtopic&t=411 So, I'll try it at home.
The two addresses I suggested you tried are actually the same! The first was "human readable" which requires the use of a DNS server (at your ISP) and the second was the "machine readable" version that won't require a DNS lookup.
Did the dotted quad IP address work (http://216.239.59.99/)? If it didn't, then it would suggest a routing problem or some other connectivity problem. It is one way of trying to isolate the problem.
For your info, when you dial up with Windows or Linux, you normally get a dynamic IP and your ISP informs your dialup software of the IP addresses of their DNS server. You may not have had to "set it" before as it should be sent automagically by your ISP :)
Just a point of curiosity: is there a way to discover such DNS after connected (linux or windows)?
Hope this helps some more :)
Jon
Sure, this I can call "more" help :) a. ps-Tomorrow, I will told you my results.
* Adagilson Batista Bispo da Silva
Just a point of curiosity: is there a way to discover such DNS after connected (linux or windows)?
man dig -- Patrick Shanahan Registered Linux User #207535 http://wahoo.no-ip.org @ http://counter.li.org HOG # US1244711
The Purple Tiger escreveu:
Did the dotted quad IP address work (http://216.239.59.99/)? If it didn't, then it would suggest a routing problem or some other connectivity problem. It is one way of trying to isolate the problem.
You're correct it can open webpages when I type the IP address: http://216.239.39.104/ That means my ppp connection is ok. Although the same problem still remain: I can't open webpages if I just inform the domain (in "human readable form"): www.google.com.br The DNS server's number of my ISP was informed as I said before. It is on /etc/resolv.conf But I can't open anything typing the domain. Another problem I could find is that even typing numbers (IP address) it is loading webpages so slow.
Did the dotted quad IP address work (http://216.239.59.99/)? If it didn't, then it would suggest a routing problem or some other connectivity problem. It is one way of trying to isolate the problem.
Trying to isolate the problem, I need: a) to make my browser load webpages when domain address is informed. b) open webpages fast as it should be on a 56-kps modem (www.google.com.br delays no more than 10 seconds on windows to have it open) .
Hope this helps some more :)
Any more idea? Vince? :)
Jon
On Wednesday 26 May 2004 18:29, Adagilson Batista Bispo da Silva wrote:
The Purple Tiger escreveu:
Did the dotted quad IP address work (http://216.239.59.99/)? If it didn't, then it would suggest a routing problem or some other connectivity problem. It is one way of trying to isolate the problem.
You're correct it can open webpages when I type the IP address: http://216.239.39.104/ That means my ppp connection is ok. Although the same problem still remain: I can't open webpages if I just inform the domain (in "human readable form"): www.google.com.br The DNS server's number of my ISP was informed as I said before. It is on /etc/resolv.conf But I can't open anything typing the domain. Another problem I could find is that even typing numbers (IP address) it is loading webpages so slow.
Did the dotted quad IP address work (http://216.239.59.99/)? If it didn't, then it would suggest a routing problem or some other connectivity problem. It is one way of trying to isolate the problem.
(snip) Looks like a DNS server problem though (maybe typo in ip address in resolv.config?) Try host -v SOME_REAL_NAME (like www.suse.com) from the command line and see if it gives you anything. Best regards, -- Jos van Kan
Thansk, everybody! It is just working now. Nothing that I didn't remember having made before (ok, if it is working...). a) I call my ISP support asking for its DNS server number. b) I included it (only the primary number did the job) in /etc/resolv.conf c) this time i didn't use /dev/modem as device, but /dev/ttyS3 (I was going to think that could be a bad link, so I tried ttyS1, S2, S3, etc. untill this last worked); now /dev/modem is pointing to ttyS3 (I think that it was set up correctly before: but we never know :) "The sleep of reason produces monsters " (Goya) :) Now I need to give permissions to user "adagilson" to connect, not only "root". I typed: $chmod 666 /dev/modem $chmod 666 /dev/modem $chgrp users /etc/ppp/pp* But user adagilson can't connect yet. a. Jos van Kan escreveu:
On Wednesday 26 May 2004 18:29, Adagilson Batista Bispo da Silva wrote:
The Purple Tiger escreveu:
Did the dotted quad IP address work (http://216.239.59.99/)? If it didn't, then it would suggest a routing problem or some other connectivity problem. It is one way of trying to isolate the problem.
You're correct it can open webpages when I type the IP address: http://216.239.39.104/ That means my ppp connection is ok. Although the same problem still remain: I can't open webpages if I just inform the domain (in "human readable form"): www.google.com.br The DNS server's number of my ISP was informed as I said before. It is on /etc/resolv.conf But I can't open anything typing the domain. Another problem I could find is that even typing numbers (IP address) it is loading webpages so slow.
Did the dotted quad IP address work (http://216.239.59.99/)? If it didn't, then it would suggest a routing problem or some other connectivity problem. It is one way of trying to isolate the problem.
(snip) Looks like a DNS server problem though (maybe typo in ip address in resolv.config?) Try host -v SOME_REAL_NAME (like www.suse.com) from the command line and see if it gives you anything.
Best regards,
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thursday 20 May 2004 14:34, Adagilson Batista Bispo da Silva wrote: > what should it be? some peoples told me that when this kind of things > happen it should be misconfiguration with DNS. Is it true? > I use a dial-up connection. > thanks for any help > a. Make certain your ISP DNS addresses are put in place in kppp, wvdial or kinternet --or whatever other dialer you might be using-- and that your resolv.conf file has the nameservers listed. That is usually the culprit - --unless you applied updates, in which case things have been known to break that were once working. - -- ...CH 'The Link' Stinks SuSE Is All U Need Linux user# 313696 Linux box# 199365 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFArTjv1rD/PgIdojIRAr1+AJ0dCZn5PVkKbxhN06kSQjSzpRYwDgCeND2x OhLvjdJUrx/HyRviUdQpNJg= =hlkE -----END PGP SIGNATURE-----
participants (8)
-
Adagilson Batista Bispo da Silva -
C Hamel -
Damon Jebb -
Jos van Kan -
Patrick Shanahan -
Robert Paulsen -
The Purple Tiger -
Vince Littler