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0
votes
3answers
39 views

How do I find out linux gateway IP address?

I have CentOS 6.7 with two Internet connections eth0 - dynamic IP address and dynamic gateway via DHCP (controlled by NetworkManager) ppp0 - dynamic IP address and dynamic gateway (configured with ...
0
votes
0answers
28 views

How to change IP-address of the Synology NAS-station when using VPN-connection?

I have set up VPN-connection (L2TP/IPSec) at our office lately. The main thing is that our employees could access Synology NAS-station from their home. VPN-connection works great, but the problem is ...
0
votes
0answers
15 views

I need an IP PBX app for Android, but no one made it available [on hold]

I dream for an Android app which can make mobile serve as a GSM gateway. In many scenarios I need such an app. I am abroad but I want to make calls to and receive calls from the UK contacts. I can ...
3
votes
2answers
63 views

Ubuntu as NAT Gateway with iptables

I'm trying to configure Ubuntu 14.04 to act as a NAT gateway between a private and public network. Public Interface -> eth0 (178.x.x.x) Private Interface -> eth0:0 (192.168.206.190/17) I've tried ...
1
vote
1answer
22 views

How to find my VPN gateway?

I'm not a network engineer but I'm trying to configure my linux machine to have internet access while being connected to my VPN. My current idea to solve this is to connect to my VPN while ...
-2
votes
1answer
35 views

How to figure out what is the gateway and interface in routing table [closed]

So I've got this simple yet very confusing at least for me problem, to determine what is the interface and ip next gateway from a router to network. Lets say we got setup like this - . And if I ...
0
votes
1answer
56 views

LVS/IP_VS LoadBalancing Gateway [closed]

I'm trying to setup my 2-gateway configuration with loadbalacing with IP_VS kernel module. I need to loadbalance forwarding traffic to 2 nodes. I do: Setup ip_vs fwmark service and add 2nodes. On ...
-2
votes
2answers
25 views

How to route all client traffic without setting it's gateway

I've 3 devices where for some reasons I cannot change their default gateway and neither their ip and netmask. All the devices has the following ip: 169.254.11.22 and netmask 255.255.255.0 I want to ...
-1
votes
1answer
47 views

Ubuntu 14.04, eth0 = static, eth1 = removable and dhcp, same gateway, how?

I'm on Ubuntu Server 14.04 on an embedded Linux box, eth0 is the internal ethernet port which is configured with a static IP and is used only for "service" purposes. The final user should be allowed ...
0
votes
0answers
20 views

Force routing to a gateway when pinging self IP

I will try to explain my problem the best I can, and maybe there is a better solution. I got a topology that includes a host and a gateway. Also I got an application with both client side and server ...
2
votes
2answers
64 views

Ping only works twice

I have created a vm inside a xen host. By following this guide, I have managed to ping www.google.com, but it only ping-pongs twice before getting Destination Host Unreachable. If I restart the vm, I ...
0
votes
0answers
17 views

Strange activity on Wingate Proxy

I noticed some strange network activity on my network last night. I've never seen anything like it. It appeared as though public ip addresses were connnecting outward from my private network. It only ...
0
votes
0answers
117 views

IPv6: Destination unreachable: Address unreachable

My server can't ping/reach any other outside. ping6 works for my local fe80::468... address as well as the 2a01:4f8..., but not for fe80::1! Errors/Troubles/Issues: ip neigh show fe80::1 dev eth0 ...
0
votes
1answer
38 views

Fixed Size of IPv6 SLAAC

My confusion with IPv6 SLAAC is that the router provides the network prefix, and the host generates its own part using EUI-64, which means it is always going to be a 64-bit address. Now, SLAAC is ...
1
vote
1answer
287 views

Bad Gateway 502 (nginx + php7) on Digital Ocean

Every time when I try to publish my site, I get after a couple of minutes 502 Bad Gateway error, and in my default-error.log file I get this error over and over (file size was 360MB..): 2016/02/03 ...
1
vote
3answers
174 views

Multiple Nics, multiple default gateways on a Server 2012R2 cluster

This is really just a question about best practices as there seems to be a little confusion. The physical hosts of our Hyper-V cluster have 4 Nic interfaces relating to the 4 subnets. Now, when ...
0
votes
0answers
38 views

ping from internal to external side of gateway doesn't work until one ping from gateway to internal-client

I managed to create isolated network in KVM-QEMU virtual environment. There is a gateway-pc virtual machine which should connect between isolated network and my LAN with dnsmasq installed on this ...
1
vote
2answers
81 views

RHEL with two interfaces - Can't ping/ssh into second interface

I have a RHEL Server 'foo' with two interfaces: eth0: inet addr:172.16.15.75 Bcast:172.16.15.95 Mask:255.255.255.224 eth1: inet addr:172.16.15.242 Bcast:172.16.15.247 Mask:255.255.255.248 ...
0
votes
0answers
89 views

How to send answer packets to initial NIC in Windows 2008?

There are two hosts. Both has two NICs. [host1] -- lan -- [host2] | | internet internet host1 - Win Server 2008 host2 - Linux Debian How to route tcp connections to ...
3
votes
0answers
47 views

Multiple Subnet, Same Gateway

I have a nexus3000 switch that has a L3 connection with an uplink switch. (172.18.186.129-130/30) ... In downlink, I have multiple servers and VLANs and I have a range of IP-addresses ...
1
vote
1answer
88 views

OpenVPN server sending bogus default gateway information to client?

Though the VPN client successfully connects to the OpenVPN server, it seems to be setting an incorrect and bogus gateway no matter what permutations of push "redirect-gateway local def1" and/or push ...
0
votes
0answers
22 views

Linux Iptables Nat with two gateway

I got a CentOS server in a DMZ that act as a DHCP and DNS server with the following network configuration: eth0 IP: 192.168.100.50 SN: 255.255.255.0 GW: 192.168.100.1 Now I added a seconde network ...
0
votes
1answer
44 views

Discovery trough SCOM Gateway server not working

I have a management pack that discovers and monitors certain objects. Everything is working as expected in the configuration where the direct communication between the agent and the management server ...
1
vote
1answer
134 views

SELinux and iptables on a firewall / router

I've come to a point where I need to migrate to a new server. Though I'm aware of the SELinux advantages, is it necessary to keep SELinux enabled when the firewall / gateway is only meant to route ...
0
votes
1answer
88 views

Routing all traffic from a client with changing local subnet over VPN

I have a simple mesh VPN (realized with Tinc) which contains my personal laptop and a VPS with a public IP. Let's say that the server's public IP is 1.2.3.4. The private address of the laptop is ...
1
vote
0answers
78 views

Routing IPv6-traffic from client via OpenVPN-server

For playing and learning purpose i set up an OpenVPN-server. Im currently attached to a network without IPv6. Because of that, I would like to route all IPv6-traffic via the VPN. With IPv4 and ...
0
votes
1answer
35 views

OpenVPN bridged mode, cant access private network

I am struggling with this problem and I just can't figure it out. I am using cloud servers and I got a private network from them with ip's 10.99.x.x and netmask 255.255.0.0 I have 2 servers: ...
0
votes
0answers
26 views

Gateway not working - traffic not routed

im building currently a container structure with 3 networks on proxmox. The final structure looks like that: network structure I've created the container proxy, mail and hosting to simulate all ...
0
votes
1answer
342 views

Connecting through RDP Gateway on Windows not working

I've set up some instances on Amazon AWS that have RDP enabled. I can log in to these instances just fine from my home network. There is no domain behind the instances, there are only local accounts. ...
2
votes
0answers
19 views

OpenVPN gateway through OpenVPN

I'm trying to setup an OpenVPN access for clients through a server A I own. But I want these clients to connect to another OpenVPN server on an host B, configured as client on A. OVPN ...
1
vote
0answers
44 views

DC's on separate sites, VPN connection, gateway change - can't see each other

Ok I had a working setup and I know what the issue is but just asking if simple way to fix. Two offices each with DC on different IP ranges, 160.0.1.x and 160.0.2.x. The VPN goes to a router ...
0
votes
0answers
13 views

Rotate Gateways between DHCP clients

On a small factory we have 3 Internet Fiber Optic Modems, about 40 computers, 1 server running windows server 2003 with one NIC, and an unknown number of cellphones The server has DHCP, Active ...
0
votes
1answer
32 views

No “duplicate host” warning if different netmask (same gateway)

I experienced the following "strange" behaviour on a virtual machine network setup (bridged): host 1 hostname: server_one ip: 192.168.1.2 netmask: 255.255.255.0 gateway: ...
-1
votes
1answer
78 views

OpenVPN Full Tunnel not working (command line) [closed]

I can ping the server but not google.com or 8.8.8.8, traceroute also fails. Server: $iptables -t nat -A POSTROUTING -s 10.9.8.0/24 -o eth0 -j MASQUERADE $openvpn --dev tun1 --server 10.9.8.0 ...
1
vote
0answers
43 views

Remote (Ubuntu) server as http gateway to multiple socks5 proxy servers

I have the following setup: Computer L (my Mac OS X machine). Linode R0 running Ubuntu 12.04. Linode R1 running Ubuntu 12.04. Linode R2 running Ubuntu 12.04. R1 and R2 are turned into SOCKS5 proxy ...
-1
votes
2answers
99 views

Pass internet traffic outside of OpenVPN tunnel

I'm currently using OpenVPN just for external access(my computer are inside a NAT). By default, OpenVPN pass all internet traffic inside OpenVPN and I don't want it, I'll just use VPN for port ...
0
votes
2answers
169 views

Set up 4 ip addresses with Subnet mask 255.255.255.252 (30)

i bought 4 ip addresses on OVH. Then they gave me this details: 84.84.184.176/30 Network IP: 84.84.184.176 Broadcast IP: 84.84.184.179 Gateway IP: 84.84.184.178 Netmask: 255.255.255.252 And they ...
1
vote
2answers
43 views

Industry standard SLA for API Gateway static IP change notification?

Assume a "public" API Gateway having a single domain name (ex. api.mybigcompany.com) and a set of 8 static IP addresses assigned to an "East" hosting facility to load balance that domain. A subset of ...
-1
votes
1answer
83 views

OpenVPN and gateway on linux [closed]

I have home server with Debian installed When I turn on openvpn it creates new interface - tun0 It also adds some routing rules for that interface, including 0.0.0.0/1 via 192.168.101.1 dev tun0, ...
0
votes
0answers
79 views

Machines disregarding default gateway

Our gateway is a router which redirects all browsing traffic to a proxy server (Ubuntu 14.04.3). Proxy server then process and sends the traffic back to the router through a different interface. Proxy ...
2
votes
1answer
126 views

ASA Site-to-Site VPN Failure

We have a series of remote sites connecting to our main site using site-to-site VPN over Cisco 5505s. Every remote site works fine, except one. What is unique about the failing one is that its IP ...
0
votes
1answer
1k views

No internet access when toggling `redirect-gateway` in OpenVPN client config

I have a router with IP 192.168.1.1 subnetting 192.168.1.0/24. On that subnet, a Synology NAS has an IP of 192.168.1.181 and is running a VPN server using subnet 192.168.2.0/24. When I connect a ...
0
votes
0answers
129 views

Ubuntu multiple gateways

I have an OVH dedicated server, with multiple virtual machines. I have a pfsense firewall, and an ubuntu machine behind the firewall. So I had a failover IP set using the firewall as the default ...
0
votes
2answers
53 views

Simplest way to secure debian server on LAN

I currently have a basic debian server setup and connected to my LAN. Am I right in thinking that if I remove the gateway from the network configuration then the box will be unable to communicate ...
2
votes
1answer
67 views

403, only via gateway (page acessible directly from origin server locallly and externally)

I'm trying to setup a secondary Apache Server (will eventually become primary only). The working setup was windows XP running Apache 2.2.6 (via Wampserver2) with 8 sites (virtual hosts), all working ...
0
votes
0answers
99 views

Different gateway per command

I have a network with multiple gateways and one is set as the default gateway on a server. I want a single specific command to use a separate gateway for all its traffic. How would I achieve that? ...
0
votes
1answer
227 views

Iptables time-based rules having no effect - Gateway with 2 NICs

I have a network with the following topology: - WAN Modem with NIC facing the gateway: 192.168.0.1 - Ubuntu 14.04 gateway with two NICs: 1) Eth0 (facing the modem): 192.168.0.201 2) Eth1 (facing ...
0
votes
1answer
178 views

Gateway can't ping client

I tried to setup a new gateway in my virtual network, but I'm sure I have a problem. The gateway cannot ping the client but the client can ping other clients and the gateway. I have checked my ...
1
vote
0answers
256 views

Nginx and Apache setup with php-fpm issues. Random nginx bad gateway [closed]

I have inherited a server in which the previous administrator seemed to be using a combination of nginx and apache. I am not sure why the combination, other than someone thought nginx is being used ...
1
vote
2answers
160 views

how to force a http webapp so use https (ssl)?

On our Linux Server we got some sort or WebApp running its own little webserver using http ONLY. That means it does not support ssl by itself. So im looking for a way to have "something" packed in ...