OpenSUSE Network :: Internet Freezes \ It Allows Only Connections To Dst Ports Tcp 80 (http), Udp 53 (dns) And No Frags?
May 19, 2010
I have troubels with internet, on different Linux x64 systems on my laptop(Lenovo ThinkPad sl510), but if I load WindowsPE all is OK ( what coud it be? where to search?There is an hardwere firewall/nat/gateway in my local network, it allows only connections to dst ports tcp 80 (http), udp 53 (dns) and no frags, no icmp, deny in and etc. But Windows Internet (the same Firefox) works fine , and under Linux sites doesn't loding full or "connetion timed out"...But if I have can start downloading any file it would be downloaded full (I have downloaded DVD iso of SuSe)Dns throu nslookup responce not evry time...Decreasing of MTU to 1372 didn't help (( Deactivating ip v6 also....What coud it be? What is different betwin Windows and Linux in DNS clients is any alternative dns client in SuSe? Is the trouble only in DNS?
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Mar 12, 2011
I have no Internet Access with Firefox
I first tried an upgrade from 11.3 to 11.4 and lost Internet Access, so i re-loaded 11.4 from scratch on clean partitions.
I am connected to my wireless WPA2/PSK connection, have an IP, am able to see the network.
I turned off and disabled the SUSE firewall.
I tried setting Firefox proxy settings to auto and to none, i dont use proxy.
I am currently posting this through an SSH connection to my 11.1 server from the new install of 11.4 on a Dell latitude D600 laptop (not using the on-board Broadcomm that is an issue for a later date).
I am running out of ideas anyone got a clue.
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Apr 9, 2011
I have a Opensuse 11.4 workstation that has two ethernet ports and I was wondering if there is the chance to use the other ethernet port as a switch to a Mac/PC?
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May 30, 2011
I recently installed Fedora 15 now, and during installation I set the internet connection manually, then did update and after reboot, the internet connection settings have been removed. Now I can not set because the network connection to the Internet Connection is inactive. I mention that before the update was functional internet connection.
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Oct 22, 2010
I have a A7V8X-X motherboard with VT6102 [Rhine-II] on board network device. Internet connections work fine for long time on openSuse 10.3, 11.1 11.2 and 11.3. But since a few weeks ago, internet connections began to fail: several times when I want to open any Internet site with Firefox, it answers:
[Code]....
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Jan 30, 2011
I want to share my WiFi internet connection over LAN, so I'm trying to set up IP forwarding. An old tutorial tells me to go to Network Settings in YaST to do this, but that applet says that NetworkManager is now handling all of that stuff.How do I enable IP forwarding while NetworkManager handles my internet connections?
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Feb 26, 2010
I have openSUSE 11.2 installed and i need to create a gateway server that allows virtual private network connections. I want to play with my friends some lan games, but we are in different networks, so i want to create this gateway server so we can connect with VPN clients to this server and play freely.
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Jan 13, 2010
Does anyone know how to permanently enable X connections from all machines on my local network. I keep having to enter 'xhost +' to allow X connections.
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Mar 31, 2011
I had a google of this but can't find anything useful. I use networkmanager to configure my wireless card. Currently this only works when I'm logged in to KDE. If I log out the system loses the network connection. Is there a way to make it persistent using NetworkManager?
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Jun 15, 2010
How can I block all ports except
ssh (port 22)
httpd (port 80)
using iptables and iphains?
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Jan 14, 2011
I just finished a fresh install of 11.3 on an HP 7900 small form factor and have no network connectivity. In Network Tools eth0 shows the state as inactive. Network Connections didn't have a connection, so after letting it create one there is no MAC address. I copied and pasted the MAC address from Network Connections eth0, set up a static address with default gateway, netmask, etc. all set appropriately and rebooted. Still no joy.
I want this to get an address via DHCP, I just set up a static address for testing.11.2 sensed the NIC without issue, but 11.3 doesn't seem to like me right now.I wanted to get this deployed on 40 machines today. Oh well.
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Mar 19, 2011
network manager isnt showing any network interfaces. ifconfig shows wlan0 and eth0 and internet is working. how can i get network manager to manage those connections?
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Mar 21, 2011
I remember when using openSUSE 11.3 with KDE 4.5, the network connections started to show the last date used for my "NIC".I am using the plasmoid-networkmanagement plasmoid and KNemo.After I downloaded and installed openSUSE 11.4 64-bit, the network connection no longer shows the last date used. I have set up my card via Yast and Iam connected directly to the Internet. No proxy.To find where this is located, navigate to:Configure Desktop --> Network Settings --> Network Connections --> Wired tab.
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Feb 28, 2010
I'm trying to setup my debian system so that I can access it's services from the internet
I have my router set to forward ports 21, 22, and 80 to the internal ip of the server, and internet port checking tools tell me the ports are open at my external ip.
On the debian I am running Apache, ProFTPD, and SSH Server, and they all work fine for me inside the network, but whenever I try connecting with my external ip, all connections are immediately refused.
So I don't know if its a problem with my router setup, with my debian system setup, or the setups of the servers.
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Nov 21, 2010
(centos 5.5 86*64 with cpanel) I am trying to set up a php script.
The script requires an outbound connection to project honeypot and when I go to the honeypot.php on my server I get an error asking if outbound connections are disabled.
They could be...I am not sure where to check, I have checked csf and outbound tcp is allowed on port 80, but I am not sure if I should be looking somewhere else.
Obviously I dont want to make the server insecure, so I am wondering how I can allow this outbound connection.
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May 3, 2011
First a warning that I'm so clueless it hurts. Initially I entered the Linux world as a solution to my blue screening Alienware Aurora desktop (which later fried anyway ironically enough). I decided to give up on Windows for everyday use cause you can't strangle an operating system. My first and there after Linux experiences have been fantastic. Internet works without prompting through various distributions of Ubuntu, Mint, and KDE with the exception of enlightenment.
But now I come to openSUSE 11.4 and as my title suggests I'm having a hard time connecting to the internet. I've got a wireless card and router and all that jazz but I can't even select the options for wired or wireless connections under Network Connections in the Network Management Settings. Everything is greyed out except for VPN. I even have the desktop wired to the router and it still is not giving me any indication that it will connect.
I'm wary of trying to enter ip addresses and things of the like because I honestly don't know what i'm doing here.
My router is a Netgear N150 Wireless WNR1000 and in the Kinfocenter under Device Viewer I found my wireless card to be a RaLink RT2561/RT61 802.11 g PCI and my wired device thingy to be an Intel 82540EM Gigabit Ethernet Controller.
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May 2, 2010
my ufw rules have been loaded and active yet using iptraf i see tcp connections on ports that were never allowed by ufw. can anyone explain this too me does ufw just not work?
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Apr 19, 2011
My firestarter is denying connections on ports 80 and 443, despite the fact that I have set rules to allow both the services, and indeed any connection from my gateway (the source of the connections).
Can someone please advise why this might be?I can surf the 'net fine, unfortunately I cannot load facebook, gmail, or another couple of sites that require logins, and I assume this is due to HTTPS not communicating properly.(On the off chance anyone can answer these real quick, I'm also trying to solve my resolution resetting every time I restart, and one of the icons in my KDE panel turning into a widget from an icon every time I restart. Still working on these, but just if anyone knows already).
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Feb 22, 2011
Looking at the results of both `lsof | grep IPv4` and `netstat -tp` I noticed that I have a lot of connections open from a program called 'gvfsd-http'.
Using google, I found that this was a Filesystem something from Gnome, that would also be used If I drag something from my browser to my desktop.
Though I wonder, how I activated it, because I didn't do that...
After a bit of searching, I noticed that `screenshots.debian.net` uses the same IP address as the one noted (hades.car.gr).
PING screenshots.debian.net (78.46.20.5) 56(84) bytes of data.
64 bytes from hades.car.gr (78.46.20.5): icmp_req=1 ttl=56 time=55.4 ms
Question: Do I have some tool enabled that maybe sends statistics to debian or so? Where to find it and kill it.
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Feb 1, 2010
I need to have Opensuse 11.2 use my proxy server here in the office and it is by hostname/ip:8080 only not HTTP. The problem is using Yast2 I don't have the option of using the proxy that way it wants http. I've been using opensuse on and off since 9 (great flavor BTW my favorite) Easy as you need it to be and just as complicated as you want it to be, a perfect mix.
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May 7, 2010
I'm trying to set a PHP script on my http server. The Script is "Gen2". I Follow All the instruction of the script and set up in the server but when i open it on the web browser this error happen.
Free Image Hosting
I try others script and works correctly
I don't Think is a script error because it was tested in a web server.
*** I dont write the script I download from the internet
here is the script gen2.rar
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Feb 1, 2011
I'm simply trying to make a little restriction on www packets under two rules:
1. Allow inbound/outbound www packets (works!)
2. DROP inbound traffic to port 80 from source ports less than 1024. (DOES NOT WORK!)
Now, technically, when i use hping to test my rules, hping3 192.168.100.100 -S -p80 -s 1023 I should NOT receive any packets. However, i still receive packets, which means my rule that says less than 1024 does not work. (see below)
And this is my iptables rules in shell-script so far:
#!/bin/sh
DEFAULT_NIC=eth0
SERVER_IP="192.168.100.100"
ALLOWED_WWW_PORT=80
IPT="/sbin/iptables"
[Code].....
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Feb 28, 2011
I want to prevent code from making http connections to other, specific hosts. My understanding is this can be done in /etc/hosts.deny. What would that look like?
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Apr 27, 2010
I have a couple of openSUSE 11.2 machines and each is directly connected to the Internet (they are not behind a router, firewall, etc). I want them to be able to communicate without any firewall restrictions, but keep the firewall rules for all other IP addresses. Is this possible? the software package I'm trying to use randomly chooses a port to use in the range of 32768-61000 and I don't feel comfortable having a port range that wide open on both machines.
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Jun 25, 2010
I have a Suse 10.3 router with 4 network cards. 1 is to connect to the big network and thereby also the internet, 2 are for 'client' subnets and I want to use the last one as a DMZ. In this DMZ will be a web server which has to be accessible from the other 2 subnets and from the big network. I could do it with a few simple clicks in Yast firewall, but I have some issues with this firewall and there for I want to use it as minimal as possible, using Iptables.
So now I'm struggling a bit with Iptables. Basicly what I'm looking for is how to block all ports but 80 in this last subnet with iptables.
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Jul 18, 2011
I'd like to have a port open for some streaming radio stations. However, I don't know if they are UDP or TCP or what "direction" to have them set up (inbound or outbound). I also don't know if they should be set up for "host" or "dynamic". The stations I'm interested in are the 181.fm channels mostly (shoutcast stations). We have a Westell A90 type modem/router from Verizon.
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Apr 22, 2010
In Network Settings in OpenSuse 11.1 while using "Traditional Method with ifup" I am able to set up a box as a server and connect via http over the net BUT Firefox cannot browse. If I switch to "User Controlled with NetworkManager" I can run Firefox but my server is not contactable. How do I do both?
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Apr 25, 2010
My box has to connect to internet using specified http proxy.I have set proxy in both kde control center and yast2 control center. They both tell me the proxy works fine. But when I really try to use yast2 to update my system, it report an error:
Code:
Failed to download ./repo/repoindex.xml from [URL]
History: - [AbstractCommand.cc:195] URI = [URL]
Even I try
Code:
export http_proxy=http://XXXX
yast in command line,the error still exist.
In debian apt-get and slackware slackpkg,my proxy works fine. So I am sure it is not my fault and maybe it is a bug of yast2.
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Aug 28, 2010
* a router/gateway. The external interface have the public IP, an other the DMZ, a third the internal room* a DMZ with the web server* an internal network (internet public room)I redirect the http port 80 to the web server. You should see him there.But I can't see this web site from the internal room. From the public IP /URL I have some sort of non existent message (sorry forgot to copy it). If I call for the private IP, I get the home page (but not the CSS files)the gateway nat's the networks.What is the trick to see the web site from the internal network?
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May 30, 2011
My computer shares an internet connection using an ADSL router.There are other three machines.I have set up a Apache server for learning purpose and I want it to be inaccessible from anywhere else including the PCs in the network.When I enter my ip-address assigned in the network (192.168.1.1xx) from other computer,I get my ppages and I dont want that.
How can I block HTTP requests from other computers?
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