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Forum: Networking

Help requests related to Linux networking: setup, configuration, internet connection sharing, iptables, etc

  1. Multiple USB Modems

    I am new to linux, and I also have a similar problem. i.e. I need to connect multiple 3g modems to single PC and connect them to the internet...

    Started by manaz, 12-13-2011
    • Replies: 0
    • Views: 925
    12-13-2011 Go to last post
  2. linux not responding to ping

    Hi everyone. I'm trying to tranfer some files from my Windows machine to the Linux one. For that I have to mount the shared folder. When I run the...

    Started by Llanosflats, 12-01-2006
    • Replies: 4
    • Views: 14,042
    12-09-2011 Go to last post
  3. Can't ping via direct connection using auto-ip address

    I have two Linux hosts that I am trying to connect. Each host has 4 NICs. They have each been auto-configured with 169.XXX.XXX.XXX addresses. The...

    Started by McGoo, 12-06-2011
    • Replies: 0
    • Views: 1,961
    12-06-2011 Go to last post
  4. Host not reachable - Please help

    Hi all, I have an Ubuntu machine which is connected to two switches, IDMZ and ODMZ. The firewall is also connected to the ODMZ switch. Firewall...

    Started by tezarin, 11-17-2011
    • Replies: 8
    • Views: 2,554
    12-06-2011 Go to last post
  5. Configuring Bind9

    I have a question, that I hope is simple. Currently I have bind9 on my router and it's working fine. I was wondering how to make it that when I...

    Started by Slyke, 12-05-2011
    • Replies: 2
    • Views: 1,078
    12-06-2011 Go to last post
  6. How to disable ports?

    Hi I want to disable all the ports other than 80, 8080 and custom ssh port. (I have decided to change 22 for something for security reason) How...

    Started by agriz, 11-21-2011
    2 Pages
    1 2
    • Replies: 13
    • Views: 9,365
    12-03-2011 Go to last post
  7. How to DNAT with iptables

    When x.x.x.x makes a request on port 80 to y.y.y.y I would like the request to be redirected to z.z.z.z:80. I'm trying to do this with iptables under...

    Started by jshailes, 11-30-2011
    • Replies: 4
    • Views: 2,331
    12-01-2011 Go to last post
  8. iphone 4 internet connection usb-cable instead of wifi.

    Hi everbody I have iphone 4 phone and ubuntu 11.04 64x internet connected computer system. Is it possible to share this internet connection via...

    Started by whynot, 11-29-2011
    • Replies: 3
    • Views: 1,983
    11-30-2011 Go to last post
  9. Clustering using VMware images

    Hi I would like to understand the basics, setup of a cluster. I have a powerful machine in i7, 6 gb ddr3 Ram. I was thinking why not clone a same...

    Started by arun1151, 11-30-2011
    • Replies: 0
    • Views: 676
    11-30-2011 Go to last post
  10. routing question / problem

    Internet Gateway 192.168.0.201 Server 1 192.168.0.101 192.168.1.101 192.168.2.101 gateway: 192.168.0.201 VIP: 192.168.1.100 VIP:...

    Started by hopfensp, 11-29-2011
    • Replies: 1
    • Views: 996
    11-29-2011 Go to last post
  11. RHEL 5.5 cannot be pinged

    I have just installed RHEL linux 5.5. I am trying to ping RHEL from windows and get 'request timed out' Firewalls disabled on both linux/windows...

    Started by bhakti1982, 11-17-2011
    • Replies: 3
    • Views: 1,476
    11-29-2011 Go to last post
  12. Host: request time out on 1 NIC .. success on other

    first posting .. forum won't allow me to post IPs so I can't post ifconfig info. RH 5.6 why can my windows 7 PC ping my Linux server on the...

    Started by ZenMusic, 11-28-2011
    • Replies: 2
    • Views: 1,214
    11-29-2011 Go to last post
  13. Clarification about NDP option

    Hi, I'm looking for the Neighbor Discovery Protocol (NDP) equivalent of NET_IPV4_CONF_ARP_ANNOUNCE, to be set on the linux system (2.6.24) using...

    Started by madhurjf, 11-24-2011
    • Replies: 0
    • Views: 976
    11-24-2011 Go to last post
  14. NAT rule not working again after server reboot

    Hi guys, I'm newbie of linux networking and have been try and error for few days, without any progress.....any help would be much appreciated!!!...

    Started by juchu, 11-21-2011
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,809
    11-23-2011 Go to last post
  15. ssh: connect to host 192.x.x.5 port 22: Connection timed out

    Hi guys, I am running a simulation on a cluster server. My cluster server consists of one main machine and 9 auxiliary machines. For the purpose...

    Started by saikat056, 11-22-2011
    • Replies: 0
    • Views: 2,483
    11-22-2011 Go to last post
  16. Complex Port-Forwarding

    Greetings, this is an issue I've been struggling with for quite a while now. Scheme : LAN----ROUTER----INTERNET I have...

    Started by Trix01, 11-16-2011
    • Replies: 2
    • Views: 926
    11-21-2011 Go to last post
  17. Exclamation Possible hack attack in Ubuntu Server?

    Hi All, I am having a Ubuntu 10.04 Server with Shorewall 4.4.6. For some days, i have been seeing that the logs shorewall.log, kernel.log and...

    Started by raghaven.kumar, 10-25-2011
    2 Pages
    1 2
    • Replies: 12
    • Views: 4,511
    11-21-2011 Go to last post
  18. How to sent WAN traffic through eth0 or ppp0 depending on client

    Hi all, I have the following question. Currently my WAN traffic for all clients is going through eth1. What do I need to do if I want all...

    Started by boexli, 11-19-2011
    • Replies: 1
    • Views: 1,126
    11-21-2011 Go to last post
  19. DOS attacks

    hi, I want to generate and test the DOS attack resistance for my code......For that i have downloaded SYN flood source code and i compiled that...

    Started by keerthipriya, 11-21-2011
    • Replies: 1
    • Views: 665
    11-21-2011 Go to last post
  20. IP sec testing

    Hi all i'm trying to test IP sec for my code. I have enabled IP sec but don't know how to test.So please can anyone help me how to test IP sec...

    Started by raju789, 11-21-2011
    • Replies: 0
    • Views: 632
    11-21-2011 Go to last post

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