similar to: Compiling from source and networking problem

Displaying 20 results from an estimated 10000 matches similar to: "Compiling from source and networking problem"

2008 Jan 31
2
Missing packets on Dom0 when sniffing bridge with wireshark/tethreal
Hi, I have a Centos5 machine running xen 3.0.3-41 with two NICs each on its own subnet: 192.168.1.x and 192.168.0.x. All DomUs can talk to each other OK through two xen bridges. There are 3 DomUs: Dom0, Dom1 and Dom2 The scenario: I''m trying to capture packets on Dom2 on 192.168.0.x from external devices that are sending SIP stuff to Dom1, but fail to capture any packets. I
2010 Oct 26
16
Xen 3.4.2 networking help
(If this is a double post, I apologize, my email client crashed when I first sent it) I need some help to configure a secure network on my Xen server. I have been looking online and it seems a I need a routed network. But I am having a terrible time implementing it. My setup: Xen 3.4.2 CentOS 5.5 Dom0 1 NIC (eth0) All guests will be HVM What I want to do is something similar to a firewall
2011 Aug 03
4
Xen 4 + Debian Squeeze + one VM in route mode and another in nat mode
Hello, I''ve installed on a debian squeeze server, xen 4 with one VM which run in route mode configuration with an IP failover. I wanted to create another VM which turn in nat mode, so I make that : - I let my xend-config.sxp with : (network-script ''network-route netdev=eth0'') (vif-script vif-route) because my first VM is the most important.... For the second, I
2009 May 08
4
XEN/bridge mode
Hi! I want to forward the port 3389 from the domU to the virtual server with ip address 192.168.122.77 with not success... I tried a lot of iptables rules with no luck so far. Is this possible? I take a look at other post and I don''t found an answer. By example: /sbin/iptables -t nat -A PREROUTING -p tcp -i xenbr0 --dport 3389 -j DNAT --to 192.168.122.77:3389 the virtual nic for the
2013 Jul 07
3
Firewall will not disable - stumped!
very perplexed here - I need to turn off iptables. Ive tried service iptables save service iptables stop chkconfig iptables off service ip6tables save service ip6tables stop chkconfig ip6tables off edited OPGX280 ~ # cat /etc/sysconfig/system-config-firewall # Configuration file for system-config-firewall --disabled --service=ssh OPGX280 ~ :( # cat /etc/selinux/config SELINUX=disabled
2008 Aug 01
3
Xen Networking problem!
Hi, I ''ve got a CentOS 5.2 server running xen 3.0 with 2 DomUs also running CentOS 5.2. All my boxes are up-to date. I''m experiencing trouble with networking. Dom0 can reach the outside world when no DomU are started. It can also reach the outside world when only one DomU is running. The troubles begin when I start the second DomU. At first, this new DomU, called DomU2,
2010 Jun 25
1
No connection in DomUs with network-route
Hi, I would like to know if somebody can point me out how to configure several DomUs in a private LAN (for example 192.168.100.0/24) and one DomU with two interfaces (one - 192.168.100.0/24 and two - internet). So far I have enabled in xend-config.sxp: (network-script network-route) (vif-script vif-route) My config files have: /mnt/VM/1.cfg:vif = [''ip=192.168.1.3'']
2010 Jul 31
1
Arp Flip Flops make machine inaccessible.
CentOS 5.5 Xen "standard" Xen Installation. I have two nics. I just put the second one to DHCP and modified the ifcfg-et01 and so far I am holding, but I am not confident. Prior they were sequential IP Addrs on same subnet. arpwatch has indicated flip flips. I can find no rhyme or reason to predict them. I know I missed I must have missed a step somewhere. I want to keep the
2013 Jul 08
6
Getting nwfilter to work on Debian Wheezy
Hi, I'm trying to configure nwfilter for KVM, but so far I haven't managed to figure out a working configuration. Network setup: The dom0 (Debian 7.1, kernel 3.2.46-1, libvirt 0.9.12) is connected via eth0, part of the external subnet 192.168.17.0/24, and has an additional subnet 192.168.128.160/28 routed to its main address 192.168.17.125. The host's subnet is configured as bridge
2007 Jun 07
2
Standard RH iptables analysis
This is a standard RedHat / CentOS firewall configuration, where I told it, through the standard RH setup GUI, that I want ssh and snmp allowed through. Chain INPUT (policy ACCEPT) target prot opt source destination RH-Firewall-1-INPUT all -- anywhere anywhere Chain FORWARD (policy ACCEPT) target prot opt source
2018 Mar 25
8
Bug#894013: xen-utils-common: issue with iptables antispoofing rules in xen4.8 generated by vif-bridge and vif-common.sh
Package: xen-utils-common Version: 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 Severity: important Tags: patch security -- System Information: Debian Release: 9.4 APT prefers stable APT policy: (990, 'stable'), (500, 'stable-updates') Architecture: amd64 (x86_64) Kernel: Linux 4.9.0-6-amd64 (SMP w/4 CPU cores) Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8),
2005 Nov 30
2
Default CentOS(Redhat) iptables, Secure?
Hi All, whilst not being an expert on iptables, the below ouput of iptables -L seems too insecure to me. Does anyone agree.? Perhaps I'm not understanding it as well as I think I am.? Please give your thoughts on this. Cheers. Mark Sargent. [root at localhost racket]# iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination RH-Firewall-1-INPUT all
2012 Sep 12
2
Network inoperable with QEMU arm example image
I am running Fedora 16 64bit and installed libvirt. I have the VM running with arm emulation with this one issue I can't figure out. I used Virtual Machine Manager to manage the VM and can access its console there. The Ethernet appears to be eth1 and the guest can set an IP on it etc. However, I cannot see any traffic from the Host when dumping any of the interfaces. I've tried
2007 Oct 09
4
Directory index forbidden by rule: /var/www/html/
I'm looking to troubleshoot this error when I run "tail /etc/httpd/logs/error_log" [Tue Oct 09 07:22:59 2007] [error] [client 127.0.0.1] Directory index forbidden by rule: /var/www/html/ (I get this when I run Nagios' "./check_http -H 127.0.0.1".) All I did was install CentOS and then modify httpd.conf to include "ServerName 192.168.1.10:80" and also
2006 Aug 26
0
FC5 -- Xen 3.0.2 -- iptables with dom0 and domU
Situation: Running a simple UDP client/server program where the client on one domU on one computer sends echo packets to another domU on another computer, server sends echoes back. They do this on a specified port (will use any port between 5000-6000). This program works on non-Xen machines in various environments, Linux and Solaris. Program just hangs on the domUs. I believe I need help with
2011 May 06
0
kvm libvirt migration problem
Hi everyone: I am new here I am using kvm and libvirt on my Dell server. Now i am trying to migrate one virtual machine from a physical server to another. However, I failed everytime. In virsh on physicalServer1, I typed: virsh # migrate virtualmachine1 qemu+ssh://username at physicalServer2/system error: operation failed: migration to 'tcp: physicalServer2:49163' failed: migration
2005 Mar 07
10
DNS Name problem with mail server on LAN
Hi, I have a big "name problem" with my internal mail server (10.0.0.152). It is "seen" on the internet through DNAT (213.58.230.27). Also there is a MX record pointing to the machine. Everything works fine from the outside. However i can''t set the mail clients on the lan pointing to the mx record, because this one points to 213.58.230.27 and the firewall
2004 Aug 05
9
Not able to access website
Hi, Trying to figure out why I cannot get access to dell.com Their site is up because I can browse using a different firewall. Trying to find out where the logs are located and what log files it would write to if it were to deny browsing to a website. I can see the [UNREPLIED] when using the shorewall status. Was hoping to know what logfile it is writing it to. Thanks in advance, Elmer
2004 May 31
4
Directory listing delay with WinXP and IPtables
Sorry if this has been covered before. I setup a new Samba server using RedHat EL 3, and samba 3.0.2-6.3E (the version that comes with Redhat). We were seeing an intermittant 20 seconcd delay when grabbing a directory listing, but only from XP, win 2k was fine. I couldn't completely nail down when the delay occured but it seemed to be when the directory or share hadn't been accessed
2004 Dec 29
18
No response on port 80 with Shorewall
I have problem getting answer on http request from all my local subnets but not from local subnet. Ping and requests on ports 21 22 23 25 110 works fine. I logged port 80 in rules files and I got accept entry same for local subnet and other subnets. Local subnet is 192.168.6 Dec 29 09:52:40 zinfsrv2 kernel: Shorewall:loc2fw:ACCEPT:IN=eth0 OUT= MAC=00:09:6b:07:ca:cc:00:10:b5:fa:bd:71:08:00