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2
votes
2answers
95 views

How to point multiple top domains to IP of another top domain?

Lets say I have top domain domain-X.com with DNS A record pointing it to IP 1.2.3.4 then I have domains, which I might not have control over, they belong to customers, which owns them and may ...
0
votes
1answer
467 views

How to pass all traffic through virtual ip on linux

I have an Ethernet card on CentOS server. It has been configured: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 40:f2:e9:9b:b7:bb brd ff:ff:ff:ff:...
0
votes
1answer
351 views

Remotely configure OpenVPN custom client certificates and static Virtual IP

On our current basic OpenVPN (on Windows) setup, we are using common client certificates for all clients. In order to introduce some kind of security, what are the possible measures I can make ? ...
-1
votes
1answer
77 views

how to 2 ip virtual in public dan private with forward to different destination

Here my case, Server 1 public IP in 1 box (eth0) -> 203.x.x.55/28 and 57/28 gw 203.x.x.49 private IP (eth1) -> 10.10.8.1 Server 2 private IP in 1 box (eth0) -> 10.10.8.5/24 and 7/24 gw 10.10.8.1 ...
-1
votes
1answer
4k views

Pfsense Virtual IP NATing

Am setting up Pfsense 2.0 but am stuck when it comes to port forwarding/Natting. I've done it before but not using Virtual IPs. Say I have WAN on 11.11.11.1 and LAN on 192.168.5.5, I have added a ...
1
vote
0answers
122 views

How to manage virtual ip addresses in RHEL 7

We currently have an alias assigned to our NIC for the purposes of managing a HA Proxy pair. # cat /etc/sysconfig/network-scripts/ifcfg-eth0:proxy DEVICE=eth0:proxy BOOTPROTO=none ONPARENT=no TYPE=...
1
vote
0answers
161 views

Binding ISC DHCPD to a virtual (heartbeat) interface

I had a DHCP server that acted as a relay endpoint and worked fine. let's say this is a solo machine with eth0 with an ip of 192.168.0.10 I needed to bring this server down and join it to a cluster, ...
1
vote
0answers
72 views

IP migration by filtering

I'm looking for a solution to use virtual IPs between 2 hosts, but in a specific way. I would like to have the addresses bound to both hosts at once, but filtered out on the inactive one (arp ...
0
votes
0answers
11 views

Software load balancer times out connection to upstream servers, refuses to failover?

We have two software load balancers (using keepalived 1.2.13 and a virtual ip to failover between the two), proxying traffic via nginx 1.8.1 to three upstream app servers (each hosting a nodejs web ...
0
votes
0answers
83 views

keepalived + nginx failover not working

I have 2 servers under Centos 7.1. Both are configured with keepalived (one MASTER / one SLAVE) and Nginx as proxy reverse and load balancing. Everything works great except the Nginx shutdown ...
0
votes
0answers
18 views

Cannot establish a connection to a virtual IP from the same host

I have a load balancer using LVS on my Ubuntu machine that has a virtual IP. Now I want to connect to this virtual IP from the same Ubuntu machine, but the connection establishment fails (the real ...
0
votes
0answers
66 views

How would a CARP virtual IP defined with the wrong subnet mask manifest itself?

I have a VMware cluster that hosts two pfSense virtual appliances in a CARP configuration: +-----------+------------------+------------------+--------------+ | Interface | pf0 | ...