Ubuntu :: Can't Access Apache From The Internet
Feb 15, 2011
I can access dirac.org from inside my network; I can't access it from outside my home network. Apache is running on a Ubuntu box named "satan": 192.168.0.2 and I'm testing it from a MS Windows machine named "lucifer": 192.168.0.3. My ISP is optimum online, which does not filter port 80.
0. router
The router is a Netgear WNDR3700. All computers on my LAN receive their IP addresses via DHCP, but I've reserved all the IP addresses, so they are essentially static (satan is always 192.168.0.2, lucifer is always 192.168.0.3, etc). The router is set up to pass packets destined for port 80 to satan (192.168.0.2), which is where Apache runs.
1. tcpdump
Using tcpdump when accessing dirac.org from within the LAN (this is what works):
# tcpdump -i eth0 host ool-18bda2d2.dyn.optonline.net and tcp port 80
ool-18bda2d2.dyn.optonline.net.2826 > satan.www: Flags [S], seq 3934453911, win 65535, options [mss 1460,nop,nop,sackOK], length 0
[Code].....
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Apr 21, 2009
We have Apache installed on CentOS 5.3 in our laboratory. Indeed the server is running fine for almost two years since it is actually the first CentOS 5 that was released just regularly updated. Now, most of our applications are custom made PHP applications and until now we somehow managed to avoid using PHP to fetch files that are on the internet itself. But now we are desperate because we need to allow PHP to fetch files through Apache but it seems as if Apache is not allowed to make a connection to the outer world. Additionally we use a proxy server to connect to the outer world so right at the beginning http_proxy is used to set that environmental variable. And for the root user it all works fine after that but it seems as if the apache user is not allowed to access the internet. Just to make a remark our web server can be accessed from the outer world so its a one way street for now.
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Nov 9, 2010
I can connect to anything locally, I can SSH in locally but nothing works from outside my network (can't access pages in apache, can SSH, etc.) I've checked the logs I can think of, but what should I be looking for? The last thing I did today was add a FW rule to log and drop from an IP, saved my iptables to a file in /etc. (this was at 10:45am). The last time I successfully logged in remotely 1:03pm. I connected multiple times in between. I've rebooted remotely once or twice. That's it. I've already flushed iptables.
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Aug 26, 2010
I have a linux box (fedora) with two ethernet cards eth1 and eth2. On eth1 I successfully configured a PPPOE internet connection. Such that from the server I can browse the internet. On eth2 I wired it to a wireless router essentially to provide the wireless cloud. On eth2 I also configured dhcp, such that the Linux box is both PPPOE and DHCP server.However my clients on the LAN cannot access the Internet.
On passing the routing command I get
Destination Gateway Iface
196.44.x.y 0.0.0.0 ppp0
192.168.1.0 0.0.0.0 eth2 (my subnet)
0.0.0.0 0.0.0.0 ppp0.
The router (functioning as a wireless access point mainly) has a fixed IP address of 192.168.1.2 and eth2 has IP address 192.168.1.1. The dhcp file running on Linux has been set with option router (Gateway) 192.168.1.1. I cannot figure out how to correctly set the routing table such that my clients on wireless can access the internet cloud. I googled and googled but no solid solution. Any suggestions?
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Jan 20, 2011
I am installing Big Brother on a CentOS 5.2 running the default Apache 2.2.3. When I try to access any web page I get the following error: Forbidden You don't have permission to access /bb/ on this server. Apache/2.2.3 (CentOS) Server at fmsubbnix Port 80 So far I have:
1) Set the Directory options to FollowSymLinks
2) Verified all directory and file permissions are at 755
3) Set permissions temporarily to 777 and received same error so I am assuming the issue is in a config file somewhere
4) in hhtpd.conf verified <Files ~ "^.ht"> is correct
5) verified the "default" directory is correct (/var/www/html)
I have read and tried several ideas in posts listed on the web but to no avail and am at a loss as to what to look for next..
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Dec 31, 2010
I managed to configure my W890i phone to get access to internet through an ubuntu-based computer. It's very easy to use the phone to give internet access to the computer, but the opposite is quite more tricky. For that I've done the following
----On the phone---
-Set the USB network option to "through computer", so that the phone uses the computer's internet connection and not the opposite.
-Decide and set "Shared Network" parameters: user, pasword and workgroup.
-In "conectivity-> internet connection" set "allow local network" to "yes"
----On Ubuntu 10.04---
-Install samba, samba-client, smbfs, smbclient, firestarter and dhcp3-server
-Configure Samba (System-> Administration-> Shared folders): same workgroup as in the phone, add new user (the phone), passwd this new user. In my case the user was called "w890i" and the password given was the same.
-Once the phone is connected to the computer through USB (then select "phone mode"), a new connection appears in NetworkManager: usb0.The aim is to create a shared network that gives internet access to this device. Edit the IPv4 parameters of this new connection, set them to Manual and give an IP adress (192.168.0.1) and a subnet mask (255.255.255.0); the rest of the fields are left empty.Connect this network.
-Set firestarter to use dhcp3: sudo ln -sf /etc/init.d/dhcp3-server /etc/init.d/dhcpd
-Launch firestarter and follow the wizard. Set "allow internet shared connection", choose the device for the primary internet access, and then the device for the shared network (usb0). Then change the settings for firestarter: activate DHCP for local network, set IP to the one we gave before (192.168.0.1).
-Open dhcp3-server config file sudo gedit /etc/default/dhcp3-server And set INTERFACES="usb0"
-Set the policies of firestarter: in incoming connections, allow connections from the IP adress given to the phone (192.168.0.1). Then add rules for the ports that need to be open for this connection. I opened HTTP, HTTPS, SMB, SMTP, POP3, IMAP, IMAPS, DHCP for all the connections in the local network.
-Apply policies and start the firewall.
------------
After all this, the phone can access the internet through the computer. Two problems appeared:
1. I couldn't get access to https sites, like webmails. The phone gave a "communication error". But then I tried with Opera instead of the browser built in the phone's firmware, and I could finally get to https sites.
2. I couldn't retrieve mail, neither POP nor IMAP nor IMAPS. I thought it was a firmware problem again, and I tried out several mobile phone email clients written in java, but none of them worked.
So this is at the moment the problem. If I connect from the phone to the internet directly through 3G, the email clients work for all my accounts. I don't think it's a firewall problem, because the ports are opened for this connection
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Jul 6, 2011
I connected my laptop running with Ubuntu 11 in the LAN but I couldn't access internet.But I could ping to the other computers connected in the LAN. I tried the same thing with windows 7 in the same laptop and I could access internet.
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Aug 26, 2010
I installed 11.3amd64 as a VM under Vista/VMWare Player - all worked fine. I have now installed it as a physical system. It nstalled cleanly BUT during first boot it could not access the repos. With each repo it gave the message
- download (curl) error for (repo)
- error code connection failed
- error message could not resolve host (repo)
This was followed by a message box containing
- UI syntax error
- no widget with ID 'contents
Firefox could not access the internet (cannot find server) until I disabled IPV6 (I used about:config), now it works fine. I think the repos problem is because of IPV6 - I usually have trouble with IPV6. I tried disabling IPV6 with the following (How To Disable ipv6 on SuSE Linux | Linux Poison)
[code]......
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Jun 11, 2010
I have an old FC2 box running Squid version 2.5. It has been running since 2003 so I am in the process of replacing it. I have a new machine with FC11, iptables, and Squid 3.0 installed.
On the old machine I use iptables to intercept Port 80 traffic and send it to Squid. By default I block all internet access and allow only sites that are in an Allowed_Sites.txt file. Within Squid I also have statements to allow certain users to bypass Squid based on their IP address.
I have set up the same thing on the new box. I have iptables intercepting the Port 80 traffic and sending it to Squid. That is working because if I remove the redirect statement from iptables all internet access is blocked.
The problem I am having is that Squid is not blocking any websites. It acts like the ACL is set to http_access allow all. I have worked on this for several hours and am stumped.
These are my Squid rules:
acl allowed_sites url_regex "/etc/squid/Allowed_Sites.txt"
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32
acl SSL_ports port 443
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access allow Bypass_Users
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
acl our_networks src 192.168.1.0/24
http_access allow allowed_sites
http_access allow our_networks
http_access deny all
icp_access deny all
htcp_access deny all
http_port 192.168.1.254:3128 transparent
hierarchy_stoplist cgi-bin ?
access_log /var/log/squid/access.log squid
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|?) 0 0% 0
refresh_pattern . 0 20% 4320
visible_hostname FC11.proxybox
icp_port 3130
coredump_dir /var/spool/squid
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Jun 26, 2009
Im trying to config my intranet to be accessible from inside the network (lan) without need of password and ask for a passwd for those who are viewing from Wan ....
Today my intranet can only be accessed from Lan, external access give me an Unauthorized message, I took look around, try #irc and still can get the appropriated help, I hope that someone here could help me on that...
A piece of my config:
Code:
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Mar 18, 2010
I have set up a hostname on dyndns.com and configured my router to forward port 8181, but I cannot view it from the internet (FF says "can't establish a connection to the server"). The DNS is ok, is just the apache webserver that doesn't work.
I can acces my webserver from
http://localhost:8181 (loopback)
http://192.168.1.1:8181 (in the LAN)
BUT NOT <hostname>.dyndns.com
Here is my site configuration
[Code]...
So, what's the matter? How can I reach my apache from the internet? Also, I read about routers loopback errors, but this seems not related to it, since I tried to get it through a proxy server, and it failed
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Sep 1, 2010
just switched our company from windows server to linux and everything is going good except we have 4 vpn connections though out the country coming to our server. All giving the client machines ip addresses of 192.168.x.x based on where they are located 192.168.1.x for the main location 192.168.2.x for a second location etc, and IIS could see the clients ip instead of the wan ip and was setup to block all ips except 192.168.x.x ip's and this worked great.
So i set up apache the same way, to allow only 192.168 ip's but i guess it doesn't work that way in apache for connections coming though vpn? 2 out of our 4 VPN connections are not static IP's, so the 2 that are I just add that ip to the allow list and that worked.But i don't think we should HAVE to get static ips for the other 2, that's one of the benefits of using VPN, especially if our old windows server didnt need it.Is there any way for apache to see the clients ip address for access or is there something somewhere else that needs changed for this?
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Apr 11, 2011
I'm having a problem when I try to connect to my apache2 server from any client in my network using the .local address with the firewall on. I opened the port 5353 UDP but I still can't connect. The only way I can connect is disabling the firewall which I don't like to do on the server. What I'm doing wrong?
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Jul 4, 2011
Sounds a bit odd but I'll try explain.My files I want to use in my apache folder now tell me I dont have permission to access them. When I change the permissions again, they just go back to blocked again.
I have Ubuntu 11.04
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Mar 6, 2010
I am running an apache server thru webmin, on a 8.04 install. Attempting to install awstats I have realized that access.log stopped writing some months ago. Went back thru the error logs and found I had deleted the virtual server, and started a new one. Everything else works fine, it never even occurred to me that logging would not also be restarted. I would just like to get it going again, any clues???
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Aug 25, 2009
Problem: I have a working apache server running on my local lan. If anyone NOT on my lan tried to access my server, it will not show up.
What I have found:
The apache test page is visible on the fedora server.
The apache test page is visible on all of my computers on the lan
[code]....
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Jan 29, 2016
I have a host system which is running Ubuntu and a guest system which is running Debian_squeeze on qemu VM. I need to send created traffic from Ubunto to Apache2 web server which is running on Debian. I made a bridge, and I can access internet from Debian, but this access is limited! I can just open some URLs not all of them! My question is how I can access the webserver from ubuntu?
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Mar 6, 2010
I happened to be looking at my Apache-2.2.8 log on an Ubuntu LTS 8.04.4 system, and noticed a few lines like this:
Code:
61.160.212.242 - - [06/Mar/2010:07:04:41 -0800] "GET http://218.30.115.246/ HTTP/1.1" 200 295 "-" "-"
61.160.212.242 - - [06/Mar/2010:07:05:29 -0800] "GET http://218.30.115.246/ HTTP/1.1" 200 295 "-" "-"
xxx.xxx.xxx.xxx - - [06/Mar/2010:07:56:15 -0800] "GET http://218.30.115.246/ HTTP/1.1" 400 290 "-" "-"
(The third line is me telnetting to the server and trying to issue the same request. Note that I got a 400 error response, while the guy coming from 61.160.212.242 got 200s. Also, if you just open the http://218.30.114.246/ URL, you get back "hello" (nothing else, just 5 characters). I'm presently putting together a bootable CD with chkrootkit to run on the machine. (I found a thread that mentioned in passing that this was related to PHP, which I have running on that Apache server, but my Google-fu isn't strong enough to track down the original thread.) (After checking with chkrootkit: nothing unusual found.)
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May 4, 2010
I set up a mail server today. Everything works except I can't access the damn squirrelmail web interface from the internet.
I followed this guide here: [URL]
I can access http://192.168.0.50/squirrelmail just fine from a computer on my local network.
*BUT*
When I access http://mywanip/squirrelmail, i get a connection timeout.
When I access http://mywanip, I get the standard Apache "IT WORKS!" Page. (Rules out port forwarding)
According to the guide, that should allow me to access squirrelmail from the internet on my server. Its as if Squirrelmail is only available on my local interface and not on my wan interface? How do I check?
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Oct 11, 2010
I'm trying to set up a small Intranet system to run OpenERP or similar using browser-based clients. I have an Ubuntu machine running 10.04 desktop edition to act as a temporary/testing server until we set up a proper, dedicated machine with 10.04 server edition. I have installed Apache2 from the repos and it is up and running fine - locally. That is the problem, I can't access the server from other machines on the LAN. Ping works, btw. So I've been reading tutorials and howtos for the past week, but for the life of me, I can't find what I'm doing wrong. The standard Apache setup seems to be made to "just work", so although I've looked at the various configuration files mentioned in the tutorials, I haven't actually changed anything.
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Dec 15, 2010
I have recently installed a LAMP server on Ubuntu 10.4 nd I would like to have the /var/www folder writeable and accessible by my other computers on the LAN. I know I have to install Samba but how do I configure it so I can map network drives to the WWW folder and allow read and write access?
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Mar 9, 2011
I came back to see on the screen a message requesting remote desktop control. So I said no and went into remote desktop and said never allow connection. I had recently hosted a PHP app on the home pc for testing purposes using apache. Here are some of the last logs entries:
Code:
127.0.0.1 - - [08/Mar/2011:18:26:34 -0500] "POST /z3950search.php HTTP/1.1" 200 1731 "http://localhost/z3950search.php" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.15) Gecko/20110303 Ubuntu/10.10 (maverick) Firefox/3.6.15"
127.0.0.1 - - [08/Mar/2011:18:26:37 -0500] "GET /favicon.ico HTTP/1.1" 404 500 "-" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.15) Gecko/20110303 Ubuntu/10.10 (maverick) Firefox/3.6.15"
127.0.0.1 - - [08/Mar/2011:18:26:38 -0500] "GET /favicon.ico HTTP/1.1" 404 500 "-" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.15) Gecko/20110303 Ubuntu/10.10 (maverick) Firefox/3.6.15" .....
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Nov 9, 2010
I have a Name-based virtualhost website in Apache, what i want to do is to disable direct ip access to the site and allow only through web address (www.mysite.com, and not through xxx.xxx.xxx.xxx). Or at least show a default page / not found page
I presume this can be acomplished with Mod_Rewrite and .htaccess but i just wanted to know if there is a more global option for this
I have googled this a lot but i can only find posts related to ip host restriction rules, which is not what i want
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Dec 26, 2010
I have web server apache on linux Centos. I can access it successfully by typing on the address bar http://localhost, 127.0.0.1 or 192.168.0.150 from the local computer server and the site loads normally with graphic. When I access the site from another computer in the same local network, I don't get the correct website. I see the site like html as text not graphic. Please see below text file output from the browser: Also I can only access the site by typing 192.168.0.150 IP address in the address bar. When I type http://localhost or 127.0.0.1, the site does not come up. Do you see what I did wrong? How can I fix this problem.
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Mar 26, 2010
i have already configured a domain in my server. now i have configured multiple local ip addresses,can i configure a domain for each local ip address. is it possible. if possible how can i access the web page through apache.Because already i am accessing the web page for a pre-configured domain from the path /var/www. if i able to create new domain.From where the apache fetches that index.html file, when requested through browser.
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Jul 11, 2011
I've installed apache2 on ubuntu 10.04 and everything works fine, but when I use functions that needs to connect to Internet, it doesn't work. Is there a simple setup I've forgot? I've been searching and looking for a solution, but I'm stuck!
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May 17, 2010
I have no idea what is going on here and this is the second time it has done this but. I just installed Lucid Lynx Desktop Edition for my Server. I have installed apache php5 mysql binarys. I have 3 ips on the machine 10.0.1.30, 10.0.1.37, 10.0.1.38. .30 is the main ip 10/100 the rest are 10,100,1000 ports. I can only access Apache 2.2 over .37 or .38 but not .30
I have not used Ubuntu alot but I am starting to and this really pisses me off since all my computer have aliases to the machine through .30
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Jul 6, 2011
I am new to web server support. I have a request from my management to modify the logging slightly. Effectively I need to redirect a custom string from our http response into the apache access logs. When a user navigates to our site they receive a "dye" number that is associated with them. This number follows them to whatever cluster they are directed too. The string is formatted as such, com-company-dye: d0a2#6dfce. I need that that header dye to appear in the access logs so we can use that dye number as a key for troubleshooting issues though out our various monitoring systems.
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Feb 11, 2011
When I do " ps aux | grep apache " I can see that apache2 is running. But when I do the same thing for http or httpd there is nothing. I looked for this question in the forums but couldn't find it. I probably don't know just what to look for.I'm using the new Debian Squeeze, and was fooling around heavily with new software installations and modifications, and just noticed all of a sudden that I couldn't get on the internet - so I know I did something but don't know what.I can plug in a thumb drive with a bitnami joomla stack on it and run, " ~/tmp/joomla-1.6.0-0/./ctlscript.sh start "and that gets things going for the joomla stuff (apache, http, mysql, php), but that stuff is pretty self contained and does not effect the browser's attempt to reach the web.
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Nov 20, 2009
I am getting this error whenever I access the page:
Code:
PHP Warning: fgets(): supplied argument is not a valid stream resource
Any idea whats all about?
I explored and found it permission issue.
I want to put a user call paul in apache group.Any idea how can I do that?
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