# IP Networking **URL:** https://community.unix.com/c/applications/ip-networking/6.md [Latest](https://community.unix.com/latest.md) · [Categories](https://community.unix.com/categories.md) --- ## [About the IP Networking category](https://community.unix.com/t/about-the-ip-networking-category/138045)
**Author:** [@system](https://community.unix.com/u/system)\ **Replies:** 0
Learn TCP/IP, Internet Protocol, Routing, Routers, Network protocols in this UNIX and Linux forum. --- ## [ VX6 - IPv6 based peer2peer mesh network for secure hosting. ](https://community.unix.com/t/vx6-ipv6-based-peer2peer-mesh-network-for-secure-hosting/397492)
**Author:** [@ethical-buddy](https://community.unix.com/u/ethical-buddy)\ **Replies:** 0\ **Last updated:** [April 27, 2026, 9:00am UTC](https://community.unix.com/t/vx6-ipv6-based-peer2peer-mesh-network-for-secure-hosting/397492 "2026-04-27T09:00:49Z")
Just get open-sourced VX6 - allows you to connect your localhost to any other persons localhost on different ports from anywhere in the world without hosting or static IP and no hassel of NAT. No IP or port forwarding … --- ## [java.net.SocketTimeOutException: Read TimeOut](https://community.unix.com/t/java-net-sockettimeoutexception-read-timeout/397135)
**Author:** [@alexcol](https://community.unix.com/u/alexcol)\ **Replies:** 1\ **Last updated:** [July 14, 2025, 6:48am UTC](https://community.unix.com/t/java-net-sockettimeoutexception-read-timeout/397135 "2025-07-14T06:48:38Z")
Good Evening: In a Telco Web application which consist of package sales there are various systems involved for example connected to a Online charge System OCS to create recharges using tuxedos in OCS, then connect to … --- ## [Wi\_fi network adapter](https://community.unix.com/t/wi-fi-network-adapter/394965)
**Author:** [@4TrailBlazerP34](https://community.unix.com/u/4TrailBlazerP34)\ **Replies:** 3\ **Last updated:** [August 9, 2024, 2:19am UTC](https://community.unix.com/t/wi-fi-network-adapter/394965 "2024-08-09T02:19:47Z")
Howdy fellow community members, I am new to the community and glad to be here! I purchased a Dell Optiplex 3020 offline from a fellow engineer via Ebay. But since I have had it, I have not been able to use it for any pu… --- ## [How to Forward IPv6 Packets to Another Interface in ip6tables (Router --oif alternative)?](https://community.unix.com/t/how-to-forward-ipv6-packets-to-another-interface-in-ip6tables-router-oif-alternative/394864)
**Author:** [@blazestorm001](https://community.unix.com/u/blazestorm001)\ **Replies:** 1\ **Last updated:** [July 30, 2024, 5:12pm UTC](https://community.unix.com/t/how-to-forward-ipv6-packets-to-another-interface-in-ip6tables-router-oif-alternative/394864 "2024-07-30T17:12:48Z")
I am currently working on a network configuration where I need to forward IPv6 packets directly to another interface. Specifically, the packets arriving on the device, which are destined for the current device, should no… --- ## [No carrier on network card](https://community.unix.com/t/no-carrier-on-network-card/394784)
**Author:** [@benedekkisvari](https://community.unix.com/u/benedekkisvari)\ **Replies:** 4\ **Last updated:** [July 24, 2024, 8:30pm UTC](https://community.unix.com/t/no-carrier-on-network-card/394784 "2024-07-24T20:30:39Z")
I'm using nixos with an ASRock 960GM-VGS3 FX motherboard. It seems to me that the network interface randomly stops working. I get a no carrier on most boots. After upgrading to the 6.9 kernel it seemed to work, and then … --- ## [Reverse proxy test connection fails](https://community.unix.com/t/reverse-proxy-test-connection-fails/394230)
**Author:** [@aigini82](https://community.unix.com/u/aigini82)\ **Replies:** 5\ **Last updated:** [May 27, 2024, 3:47pm UTC](https://community.unix.com/t/reverse-proxy-test-connection-fails/394230 "2024-05-27T15:47:38Z")
I have had a hard time trying to successfully test the connection to a URL from an application server via the reverse proxy. And despite much googling for solutions, I can't seem to find a proper answer. The application… --- ## [Openssl3.0.8+wpa\_supplicant2.10 can not connect 802.1x network](https://community.unix.com/t/openssl3-0-8-wpa-supplicant2-10-can-not-connect-802-1x-network/393321)
**Author:** [@Sathesh](https://community.unix.com/u/Sathesh)\ **Replies:** 2\ **Last updated:** [February 22, 2024, 11:56am UTC](https://community.unix.com/t/openssl3-0-8-wpa-supplicant2-10-can-not-connect-802-1x-network/393321 "2024-02-22T11:56:18Z")
wpa\_supplicant2.10 with openssl3.0.8 Issue description: I used supplicant2.10+openssl3.0.8 to test connecting to an 802.1x network, I got the following results: PEAP+MSCHAPV2:Failed PEAP+GTC:Passed I want to use PEA… --- ## [Forward a port from windows to linux](https://community.unix.com/t/forward-a-port-from-windows-to-linux/393129)
**Author:** [@krupal21kadam](https://community.unix.com/u/krupal21kadam)\ **Replies:** 2\ **Last updated:** [February 18, 2024, 9:04pm UTC](https://community.unix.com/t/forward-a-port-from-windows-to-linux/393129 "2024-02-18T21:04:02Z")
Hi all I have client-server application running on two different machine both having Virtual-box and running Windows as a host and Linux as a guest. For my application I need to access service port 20000 in Linux which … --- ## [\[OPENBSD\] CARP active/active configuration works with icmp but not with http](https://community.unix.com/t/openbsd-carp-active-active-configuration-works-with-icmp-but-not-with-http/393133)
**Author:** [@lipkowski.be](https://community.unix.com/u/lipkowski.be)\ **Replies:** 6\ **Last updated:** [February 13, 2024, 4:48pm UTC](https://community.unix.com/t/openbsd-carp-active-active-configuration-works-with-icmp-but-not-with-http/393133 "2024-02-13T16:48:54Z")
Hi, i want to setup a carp loadbalancing with 2 webservers. The VIP Address is reachable via icmp i have checked this with tcpdump but if i check http always the webside of host b will be displayed and after 5 or 6 trys… --- ## [Help me to Understand this bond configuration](https://community.unix.com/t/help-me-to-understand-this-bond-configuration/392598)
**Author:** [@alexcol](https://community.unix.com/u/alexcol)\ **Replies:** 9\ **Last updated:** [November 26, 2023, 3:36am UTC](https://community.unix.com/t/help-me-to-understand-this-bond-configuration/392598 "2023-11-26T03:36:06Z")
Good mornig please, i need your help In a live production system Ive got these interfaces: mediator21/cgi\_data \> nmcli device DEVICE TYPE STATE CONNECTION bond0 bond connected bond0 eno7 eth… --- ## [Ethernet card is down](https://community.unix.com/t/ethernet-card-is-down/391095)
**Author:** [@soolan](https://community.unix.com/u/soolan)\ **Replies:** 7\ **Last updated:** [June 13, 2023, 3:13pm UTC](https://community.unix.com/t/ethernet-card-is-down/391095 "2023-06-13T15:13:34Z")
This issue started to occur on the server every two weeks, sometimes every three days. When I restart the server, the problem resolves, and I can access it again. However, I have to restart the server using iLO. When I c… --- ## [Identify connections for sending/receiving service requests/request responses](https://community.unix.com/t/identify-connections-for-sending-receiving-service-requests-request-responses/390820)
**Author:** [@alexcol](https://community.unix.com/u/alexcol)\ **Replies:** 2\ **Last updated:** [April 27, 2023, 1:12am UTC](https://community.unix.com/t/identify-connections-for-sending-receiving-service-requests-request-responses/390820 "2023-04-27T01:12:28Z")
Good afternoon, I need your help please: Im just trying to identify connections for sending/receiving service requests/request responses for an Extended API By Definition on documentation it says: Extended API is an i… --- ## [Cant find Server connections for a web logic Managed Server on Port 80](https://community.unix.com/t/cant-find-server-connections-for-a-web-logic-managed-server-on-port-80/390330)
**Author:** [@alexcol](https://community.unix.com/u/alexcol)\ **Replies:** 9\ **Last updated:** [March 11, 2023, 11:58pm UTC](https://community.unix.com/t/cant-find-server-connections-for-a-web-logic-managed-server-on-port-80/390330 "2023-03-11T23:58:07Z")
Good morning, I need your help Please, In a Production Web application System Im trying to get Server connections for a web logic Managed Server This is the Scenario: Client - Weblogic - Server connections: On Client … --- ## [Port Forwarding Server VPS](https://community.unix.com/t/port-forwarding-server-vps/390160)
**Author:** [@Mira5h](https://community.unix.com/u/Mira5h)\ **Replies:** 1\ **Last updated:** [February 22, 2023, 11:56am UTC](https://community.unix.com/t/port-forwarding-server-vps/390160 "2023-02-22T11:56:03Z")
Hello Need some help... Is a way to set up port forwarding on VPS that will forward all my local pc traffic through a different port i have few app which listening on specific ports so best scenario will be connect to … --- ## [What kind of message is this?](https://community.unix.com/t/what-kind-of-message-is-this/389417)
**Author:** [@sejong](https://community.unix.com/u/sejong)\ **Replies:** 6\ **Last updated:** [January 4, 2023, 1:39pm UTC](https://community.unix.com/t/what-kind-of-message-is-this/389417 "2023-01-04T13:39:16Z")
Hello I'm inquiring because I'm curious about a message on the server. The server is netra T4-1. The message is as follows. Dec 20 05:22:04 \[10.157.148.83.195.139\] 1115242: AP:843d.c664.8960: \*Dec 19 20:22:03.035: %LW… --- ## [Which tools supports to generate icmp erro packets for IPv6](https://community.unix.com/t/which-tools-supports-to-generate-icmp-erro-packets-for-ipv6/389013)
**Author:** [@mohan1](https://community.unix.com/u/mohan1)\ **Replies:** 1\ **Last updated:** [November 27, 2022, 3:05am UTC](https://community.unix.com/t/which-tools-supports-to-generate-icmp-erro-packets-for-ipv6/389013 "2022-11-27T03:05:12Z")
which tools supports to generate icmp error packets for IPv6 --- ## [Can someone tell me if this netstat scan looks OK?](https://community.unix.com/t/can-someone-tell-me-if-this-netstat-scan-looks-ok/388784)
**Author:** [@Thefuse](https://community.unix.com/u/Thefuse)\ **Replies:** 2\ **Last updated:** [November 9, 2022, 12:22am UTC](https://community.unix.com/t/can-someone-tell-me-if-this-netstat-scan-looks-ok/388784 "2022-11-09T00:22:55Z")
I had some hack issues recently, I am on linux mint and have a vpn. here it is for TCP, I am curious about the 2 local hosts in the scan. I get these 2 connections in netstat using the t command tcp 0 0 lo… --- ## [Connect to server over internet which uses vpn?](https://community.unix.com/t/connect-to-server-over-internet-which-uses-vpn/387981)
**Author:** [@stinkefisch](https://community.unix.com/u/stinkefisch)\ **Replies:** 2\ **Last updated:** [September 14, 2022, 9:39pm UTC](https://community.unix.com/t/connect-to-server-over-internet-which-uses-vpn/387981 "2022-09-14T21:39:06Z")
Hi all, I got a server which is a VPN client (TVHEADEND) Ubuntu. When I try to connect and stream from the server via internet it doesn't work. I have port forwarded to the server. If I turn VPN off on the server it w… --- ## [Putty scp](https://community.unix.com/t/putty-scp/387483)
**Author:** [@cokedude](https://community.unix.com/u/cokedude)\ **Replies:** 1\ **Last updated:** [July 30, 2022, 4:50pm UTC](https://community.unix.com/t/putty-scp/387483 "2022-07-30T16:50:20Z")
Is there really a way to use putty for scp? This guide makes it seem like there is. I noticed I can use the scp command in any directory. It seems like it is a windows build in command. https://success.tanaza.com/s/arti… --- ## [Need some fundamental understanding on how the IP addresses are populated on Linux devices](https://community.unix.com/t/need-some-fundamental-understanding-on-how-the-ip-addresses-are-populated-on-linux-devices/387446)
**Author:** [@joerace](https://community.unix.com/u/joerace)\ **Replies:** 5\ **Last updated:** [July 29, 2022, 1:06pm UTC](https://community.unix.com/t/need-some-fundamental-understanding-on-how-the-ip-addresses-are-populated-on-linux-devices/387446 "2022-07-29T13:06:47Z")
I am quite new(5-6 months) to embedded Linux programming in C and python. I have with me 2 Linux based devices connected to a network. I am trying to collect the IP address generated by the ethernet and wlan interface a… --- ## [\[Linux pktgen traffic generator\] How to send IPv6 traffic between two different subnet](https://community.unix.com/t/linux-pktgen-traffic-generator-how-to-send-ipv6-traffic-between-two-different-subnet/387151)
**Author:** [@anand](https://community.unix.com/u/anand)\ **Replies:** 2\ **Last updated:** [July 5, 2022, 1:17pm UTC](https://community.unix.com/t/linux-pktgen-traffic-generator-how-to-send-ipv6-traffic-between-two-different-subnet/387151 "2022-07-05T13:17:14Z")
Hi, I am trying to run Linux Pktgen to send IPv6 traffic over 2 different subnets connected to a router. From the sender side, it shows that packets have been sent but from the receiver side, I see no packets received u… --- ## [Two separate networks connecting to one internet service](https://community.unix.com/t/two-separate-networks-connecting-to-one-internet-service/387038)
**Author:** [@anon16652331](https://community.unix.com/u/anon16652331)\ **Replies:** 2\ **Last updated:** [June 17, 2022, 7:09pm UTC](https://community.unix.com/t/two-separate-networks-connecting-to-one-internet-service/387038 "2022-06-17T19:09:41Z")
Hi, I have an issue I need to sort out ASAP. I have done lots of surfing to try and find the best solution but I need concrete advice quickly. So I’m hoping I can pick the brains of the pros in this case. I have one in… --- ## [Understand and analyze the output for some network commands](https://community.unix.com/t/understand-and-analyze-the-output-for-some-network-commands/386978)
**Author:** [@alexcol](https://community.unix.com/u/alexcol)\ **Replies:** 3\ **Last updated:** [June 13, 2022, 9:44pm UTC](https://community.unix.com/t/understand-and-analyze-the-output-for-some-network-commands/386978 "2022-06-13T21:44:04Z")
Good evening, I need your help please, Im Just trying to learn from the scratch the connections flow for some java applications, for instance: The below output what is the meaning for the 3 semicolons plus \* in the de… --- ## [Tunnel all traffic out on port with pfctl](https://community.unix.com/t/tunnel-all-traffic-out-on-port-with-pfctl/386511)
**Author:** [@Azrael](https://community.unix.com/u/Azrael)\ **Replies:** 26\ **Last updated:** [June 6, 2022, 12:11am UTC](https://community.unix.com/t/tunnel-all-traffic-out-on-port-with-pfctl/386511 "2022-06-06T00:11:42Z")
So, I've tried google, I've tried FreeBSD forums, I can't find anyway to do this with pf or ipfw. I know its possible with pf and its easy with Linux. I know that the pf rule in /etc/pfctl.conf would need to be something… --- ## [My networking.service automatically becomes inactive](https://community.unix.com/t/my-networking-service-automatically-becomes-inactive/386507)
**Author:** [@NobinPegasus](https://community.unix.com/u/NobinPegasus)\ **Replies:** 8\ **Last updated:** [May 7, 2022, 3:18pm UTC](https://community.unix.com/t/my-networking-service-automatically-becomes-inactive/386507 "2022-05-07T15:18:50Z")
I am using Kali Linux. My NetworkManager is enabled. But randomly my NetworkManager or networking.service goes down. Most of the time it's networking.service and my wifi is gone. And Then I'm unable to turn on the netwo… --- ## [How to obtain public ip address from 'natted' host? ifconfig?](https://community.unix.com/t/how-to-obtain-public-ip-address-from-natted-host-ifconfig/385905)
**Author:** [@baris35](https://community.unix.com/u/baris35)\ **Replies:** 4\ **Last updated:** [March 23, 2022, 9:09am UTC](https://community.unix.com/t/how-to-obtain-public-ip-address-from-natted-host-ifconfig/385905 "2022-03-23T09:09:32Z")
Hello, I am running ubuntu 18.04 cloud server When I run ifconfig in terminal, it does not show public ip. Is there anything possible to show public ip with just ifconfig command only? ifconfig returns: ens2: flags=… --- ## [IPv6: Need help to understand concepts](https://community.unix.com/t/ipv6-need-help-to-understand-concepts/385675)
**Author:** [@alvinoo](https://community.unix.com/u/alvinoo)\ **Replies:** 5\ **Last updated:** [March 10, 2022, 7:58pm UTC](https://community.unix.com/t/ipv6-need-help-to-understand-concepts/385675 "2022-03-10T19:58:25Z")
Hi there, I neeed help to understand. Why are some ports being assigned to tcp6 Why are tcp6 reachable from the outside? Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program nam… --- ## [/etc/resolv.conf ip address](https://community.unix.com/t/etc-resolv-conf-ip-address/383034)
**Author:** [@baris35](https://community.unix.com/u/baris35)\ **Replies:** 10\ **Last updated:** [June 13, 2021, 5:57pm UTC](https://community.unix.com/t/etc-resolv-conf-ip-address/383034 "2021-06-13T17:57:04Z")
Hello, I am running ubuntu18.04 and I have a server from Ovh. As I saw many named address not available resolving ns10.domaincontrol.com messages in /var/log/syslog, I checked /etc/resolv.conf and found a dynamic ip … --- ## [CPAN Networking Issue](https://community.unix.com/t/cpan-networking-issue/382733)
**Author:** [@callmebob](https://community.unix.com/u/callmebob)\ **Replies:** 6\ **Last updated:** [May 13, 2021, 9:25am UTC](https://community.unix.com/t/cpan-networking-issue/382733 "2021-05-13T09:25:00Z")
Hi all, I have a wierd problem, I have a Solaris 11.3 server which is connected to the internet and if I run perl -MCPAN -e 'install XML::Simple' it goes off, downloads it's list of sites and installs the module and i… [Next page](https://community.unix.com/c/applications/ip-networking/6.md?page=1)