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https://wiki.centos.org/FAQ/CentOS6
(inet is ipv4 only; inet6 is ipv6 only) or (2) Remove the hash mark (#) in front of the line #ListenAddress 0.0.0.0. Then restart ssh. Additional note #2: If problems with starting postfix are encountered on systems with IPv6 disabled, either (1) edit /etc/postfix/main.cf and comment out the localhost part of the config and use ipv4 loopback.
https://www.centos.org/forums/viewtopic.php?t=20795
Jan 03, 2010 · Hello, I have searched around, and cant seem to remember where I would change bind to only support ipv4. [quote] network unreachable resolving 'dns1.uidaho.edu/AAAA/IN
https://wiki.centos.org/FAQ/CentOS5
CentOS 5.0 contained PHP 5.1.6, and that is the point version PHP will stay at for the life time of CentOS 5. On the other hand PHP 5.3.3 was officially included and is therefore supported in the distribution since minor release 5.6.
https://access.redhat.com/solutions/1566213
In RHEL6 it was possible to just create another config file for vsftp to enable ipv6. How to achieve the same result with RHEL7? How to enable IPv4 and IPv6 support for vsftpd in RHEL7 - …
https://www.thegeekdiary.com/how-to-enable-ipv6-on-centos-rhel-6/
IPv6 is by default enabled on CentOS/RHEL 6 systems. But in case, if it was disabled for some reason, you can follow the short howto below to re-enable it. There are basically 2 ways to disable IPv6 on CentOS/RHEL 6. 1. Disable IPv6 in kernel module (requires reboot) 2. Disable IPv6 using sysctl settings (no reboot required)
https://forums.centos.org/viewtopic.php?f=48&t=56947
Mar 11, 2016 · The message is misleading. What it really means is that it already tried and failed on ipv4 and now tried ipv6 and that failed too. Check your ipv4 connectivity using curl to the mirrorlist url and see what results you get.
https://www.thegeekdiary.com/how-to-enable-ipv6-on-centos-rhel-7/
How to enable IPv6 on CentOS / RHEL 7. By admin. IPv6 is enabled by default on RHEL / CenOS 7 systems. So, if IPv6 was disabled on the system intentionally, it can be re-enabled by the following either of the methods described below. 1. Enabling IPv6 in kernel module (requires reboot) 2. Enabling IPv6 using sysctl settings (no reboot required)
https://www.digitalocean.com/community/questions/how-to-enable-ip-masquerading-forwarding-on-centos-7
Aug 29, 2014 · I want to enable IP masquerading/forwarding on CentOS 7, but when I specify net.ipv4.conf.default.forwarding=1 in /etc/sysctl.conf, it doesn't work. Can any one help ...
https://docs.aws.amazon.com/vpc/latest/userguide/vpc-migrate-ipv6.html
If you have an existing VPC that supports IPv4 only, and resources in your subnet that are configured to use IPv4 only, you can enable IPv6 support for your VPC and resources. Your VPC can operate in dual-stack mode — your resources can communicate over IPv4, or IPv6, or both.
https://www.krizna.com/centos/setup-network-centos-7/
Aug 21, 2014 · Setup network on centos 7 let’s start, Type “ nmcli d ” command in your terminal for quick identification of Ethernet cards installed in your machine. Here we have 2 interfaces named “ enp0s17 ” and “ enp0s18 ” . it might be different in your case ( Eg: em1 or p4p1 ).
https://www.digitalocean.com/community/questions/how-to-enable-ip-masquerading-forwarding-on-centos-7
I want to enable IP masquerading/forwarding on CentOS 7, but when I specify net.ipv4.conf.default.forwarding=1 in /etc/sysctl.conf, it doesn't work. Can any one help ...
https://linuxtechlab.com/turning-centosrhel-6-7-machine-router/
Dec 13, 2017 · In this tutorial we are going to learn to convert RHEL/CentOS 6 & 7 machines into a router by using NATting. Router as we know is layer 3 networking device that is used to connect 2 or more networks i.e. either connecting LAN to WAN or LAN to LAN etc. Router devices are quite expensive & especially for small organizations, that might be a reason for concern.
https://www.centos.org/forums/viewtopic.php?t=8310
[quote]IPv4 connections can be handled with the v6 API by using the v4-mapped-on-v6 address type; thus a program only needs to support this API type to support both protocols. This is handled transparently by the address handling functions in the C library.
https://access.redhat.com/solutions/1566213
In RHEL6 it was possible to just create another config file for vsftp to enable ipv6. How to achieve the same result with RHEL7? How to enable IPv4 and IPv6 support for vsftpd in RHEL7 - Red Hat Customer Portal
https://www.serverlab.ca/tutorials/linux/administration-linux/how-to-configure-centos-7-network-settings/
Apr 20, 2018 · The following tutorial will guide you through configuring CentOS 7 network settings. If you are familiar with CentOS 6 or lower, you will notice that the network configuration files are largely the same. The biggest difference between the latest major version and those below it is the naming convention for network interfaces. Prior to CentOS … Continue reading "How to Configure CentOS 7 ...
https://www.cyberciti.biz/faq/rhel-redhat-fedora-centos-ipv6-network-configuration/
Apr 05, 2009 · A. Red Hat / CentOS / Fedora RHEL support IPv6 out of box. All you have to do is update two files and turn on networking. All you have to do is update two files and turn on networking. You need to update and configure following files for IPv6 configuration:
https://forums.centos.org/viewtopic.php?t=7808
Jan 02, 2012 · how do I configure it for IPv4? Where can I find the log file? thanks. Top. numeratanero Posts: 6 Joined: Sun Oct 02, 2011 9:24 am. Re: telnet only listens on IPV6 only. ... General Support ↳ CentOS 8 - Hardware Support ↳ CentOS 8 - Networking Support ↳ CentOS 8 - Security Support; CentOS 7
https://www.cyberciti.biz/faq/linux-unix-ifconfig-does-not-show-ip-address/
Jul 19, 2018 · Explains what to do when ifconfig Command Does Not Show IPv4 Address on Linux. Here are some tips to solve your problem on Linux. ... You need to configure your networking. Here are some tips to solve this problem under Linux operating system. ... Your support makes a big difference: I have a small favor to ask. More people are reading the ...
https://www.thegeekdiary.com/how-to-enable-ipv6-on-centos-rhel-7/
How to enable IPv6 on CentOS / RHEL 7. By admin. IPv6 is enabled by default on RHEL / CenOS 7 systems. So, if IPv6 was disabled on the system intentionally, it can be re-enabled by the following either of the methods described below. 1. Enabling IPv6 in kernel module (requires reboot) 2. Enabling IPv6 using sysctl settings (no reboot required)
https://docs.docker.com/config/daemon/ipv6/
Enable IPv6 support Estimated reading time: 1 minute Before you can use IPv6 in Docker containers or swarm services, you need to enable IPv6 support in the Docker daemon. Afterward, you can choose to use either IPv4 or IPv6 (or both) with any container, service, or network.
https://www.cyberciti.biz/faq/check-for-ipv6-support-in-linux-kernel/
Oct 07, 2008 · Q. Before I can start using IPv6 on a Linux server, how do I test, whether my Linux server system is IPv6 ready or not? If not, how do I enable IPv6 support under Redhat Enterprise Linux version 5? A. Linux kernel has IPv6 support since 1996. All you need to …
https://www.mysterydata.com/enable-ipv6-cwp-centos-webpanel/
On this tutorial I’ll show you how to enable IPv6 for your websites On CWP centos webpanel. A new Internet addressing system Internet Protocol version 6 (IPv6) is being deployed to fulfill the need for more Internet addresses.
https://www.cyberciti.biz/faq/nginx-ipv6-configuration/
Mar 31, 2017 · How do I assign and use an IPv6 address under nginx web server? How do I enable IPv6 Support in nginx? You can easily configure IPv6 under nginx as follows. First, make sure IPv6 networking is working properly. See IPv6 CentOS / RHEL, FreeBSD, Debian / Ubuntu Linux, and Novell Suse/OpenSUSE Linux network configuration for more info.
https://www.centos.org/forums/viewtopic.php?t=58381
Jul 05, 2016 · That's listening on both ipv4 and 6. You cannot use telnet to test a UDP connection though which is why that doesn't work. ... General Support ↳ CentOS 8 - Hardware Support ↳ CentOS 8 - Networking Support ↳ CentOS 8 - Security Support; CentOS 7 ↳ CentOS 7 - General Support
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