the process by which data packets on communication networks are forwarded into the direction of their ultimate destination by routers.

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87 views

Ubuntu refuses to route packets for public subnet through linknet

I've run into the novel concept of routing through a linknet from my new ISP, and am currently trying to get a /28 routed properly on my Ubuntu 13.10 server. However, this is proving futile. This is ...
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208 views

racoon server (debian) with openswan client (ubuntu) l2tp-ipsec-vpn - ppp mess up routes

may somebody could help me, I've setup l2tp-ipsec-vpn, it works just with little problem, but PPP pushes new routes, when in config file it's disable (nodefaultroute), even it doesn't delete original ...
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1answer
153 views

How do I forward localhost traffic to a remote host with iptables?

I would like to set up my CentOS 6.5 box to forward connections to localhost (127.0.0.1) to the same port on a remote machine (e.g. 10.0.3.10). I've tried the iptables rule below, but when I attempt ...
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46 views

Routing, OpenVPN and blocked Packets to Router

I have a running Zentyal Router. Now I have created a Softether-VPN (which wraps OpenVPN basically), to connect to this network per Network-Bridge/L2-Switch. So, when I connect per VPN I am in the ...
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0answers
163 views

DRAYTEK - VLANs with VLAN tagging switches / router

Our company uses Draytek routers (various models, slowly upgrading to 2860n at each site). We have recently purchased a new site, and want to split the network up into separate VLANs, so as to ...
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0answers
24 views

NAT with multiple connections

I have a linux server with 2 WAN connections. It has 2 public IP address as WAN_IP1 and WAN_IP2. The server default gateway is WAN_IP1. The server also has 2 LAN interfaces and the relative subnets. ...
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0answers
106 views

HTTP not redirecting to HTTPS, Router or Firewall Issue?

I manage an application server in a different department from IT and since they implemented a new firewall as part of emergency maintenance, users are having issues accessing the web app(Blackboard). ...
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1answer
20 views

Setting up a VPN with rules who can connect with who

For delivering updates and support on software I've been working on I have been thinking about setting up a VPN server. The idea would be that the clients are constantly connected but only the traffic ...
1
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1answer
174 views

How to set up the routing mail server with public static IP interface and private IP interface

I a building an email server that will use Postfix for SMTP, and Dovecot for IMAP. This server will have two interfaces: wwan0 - this interface has a static public IP address, and will be used by ...
0
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1answer
639 views

OpenVPN Site-to-Site Routing Woes

I'm fighting with an openVPN setup for connecting two sites. This is what the scenario looks like Office 1 (server): local network: 192.168.178.0/24 openvpn server public ip: 192.168.178.2 on br0 ...
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43 views

Routing/forwarding aren't working with quagga [partially]

I have the following design: [m1] eth1 10.10.1.1, cable m1m2 || [m1] eth2 10.10.2.1, cable m1m4 [m2] eth1 10.10.1.2, cable m1m2 || [m2] eth2 10.10.3.2, cable m2m3 [m3] eth1 10.10.3.4, ...
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0answers
455 views

Route two public (ISP assigned) subnets on 'outside' interface of Cisco ASA 5510

We've got a Cisco ASA 5510 that sits on our edge and acts as the PPPoE endpoint for a fibre connection. The fibre connection came with a static IP, which is assigned via PPPoE, and gets picked up by ...
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1answer
60 views

VPN routed traffic, response goes outside of VPN?

Here's a weird one. Whenever I'm on a hotel network I tend to like to route all my traffic through my home network. Mainly since I'm not entirely sure all my passwords go through SSL all the time. ...
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2answers
86 views

iptables treating ssh and http requests differently

Here are the facts: server (IP 192.168.1.140) that runs openssh on port 22 and nginx on port 80 server sits behind firewall/router (IP 192.168.1.1) that has identical iptables rules for openssh and ...
2
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1answer
66 views

ASA Static Route over PPPoE interface

I have an ASA5505 with two PPPoE connections. I wish to add a static route to route just a single subnet over the new PPPoE connection, but the ASA does not seem to allow routing over interfaces ...
1
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0answers
72 views

trying to reach a port forwarded server from the subnet using the public IP not working

I set up a server which is connected to my router. The router forwards a port of my server. So when I scan that port using http://www.t1shopper.com/tools/port-scan/ I got: 188.143.126.14 is ...
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2answers
370 views

IPv6: “Destination unreachable: No route” Routing error?

I've got an IPv6 address added to a bridge (sysctl has been configured to enable forwarding). However whenever I try to ping an IPv6 host it fails with the following error: PING ...
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0answers
110 views

xen routed networking maximum segment size

For a few days now we experience issues with xen in routed networking mode regarding the MTU and MSS values (xen 4.1, debian wheezy, ISP is Hetzner) (network-script 'network-route netdev=eth0') ...
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0answers
74 views

DNS does not route properly to WAN NIC when dnscrypt is used

I have a Windows 2003 server with AD integrated DNS. I'm trying to configure the server to make outgoing (forwarded) DNS requests through dnscrypt proxy instead of through the normal TCP/UDP 53. I ...
0
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2answers
43 views

Assign IPs to programs/processes

I need to assign different IP addresses to different processes (mostly PHP & Ruby programs) running on my Linux server. They will be making queries to various servers, including the situation ...
0
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1answer
36 views

windows route not followed

I add a route on the windows network like so: route -p add 46.137.226.16 mask 255.255.255.255 10.20.1.1 The goal is for traffic to 46.137.226.16 to be routed via the VPN/remote gateway on ...
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2answers
374 views

Windows Server 2012 NAT Routing won't route clients from subnet (multiple external ips)

I obviously have some knowledge gaps in routing maybe you can help me: My ISP has given me 8 external IPs but I have to route them myself. The first IP is issued via DHCP and the other 7 are fixed. ...
2
votes
2answers
161 views

ip route get recognizes address as anycast

# ip route get 1.2.3.4 anycast 1.2.3.4 dev eth0 src 5.6.7.8 and the question is how does it know the address is an anycast ? (which apparently is true). UPDATED: Present as anycast route: ...
0
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1answer
102 views

Serve different domain requests to multiple servers (i.e. Apache/Node) all through port 80

What I'd really like to be able to do is run Node, and Apache (or maybe nginx) on the same Raspberry Pi (running Debian for Pi). In the way that apache can set up vhosts for multiple sites on the ...
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1answer
49 views

OpenBSD configs to EdgeRouter

is it possible to transfter OpenBSD router configs, such as firewall settings, DHCP settings to EdgeRouter-Lite?
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1answer
133 views

Cisco ASA 5510 Inter-interface routing

I'm trying to setup a Cisco 5510 to route traffic between the outside and inside interfaces where both belong to public IP subnets. Our ISP assigned us a single point-to-point IP (207.107.110.150/30) ...
0
votes
1answer
199 views

openvpn server for mobile access routing/bridging

I'm running a web server on an IPC and want to get access to the network with VPN, because the customer doesn't want to host his data directly on the internet. This web server runs a webapp, which ...
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0answers
220 views

Packets are not routed by iptables, how to debug

I'm using OpenStack and OVS. This is my case: From a remote host, I ping VM with IP A. Local gateway received the echo request, then send a packet with IP A and MAC address A' (based on a fixed ...
0
votes
1answer
189 views

Delete quagga/zebra route using ip route

I have a DHCP client running on eth0 and eth1. zebra routes show up automatically when these interfaces get a lease. This is the output of ip route: root@localhost:~# ip route default proto zebra ...
0
votes
1answer
412 views

Port forward remote desktop without a gateway over 3G modem router [closed]

I'm trying to connect from a laptop, through a VPN, and a 3G modem/router, to a remote PC / computer. PC (192.168.1.33) | 3G Modem (192.168.1.22) | [3G internet, connecting to VPN] | ...
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4answers
226 views

Monitor an internet link to a remote host

I have a Debian Wheezy server running Xivo (let's call it A), this server has 2 interfaces: eth0 and eth1 . There is no default gateway and only a few servers are statically reached from A. eth0 has ...
0
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1answer
42 views

Restricting access using IP address / Network Redirection?

I have a situation where we have a web server (lets call it A) that is hosting a set of HTTP based services. Due to some client requirements, this web server is not open to the outside world but ...
0
votes
1answer
101 views

Is it possible to make the server accessible from two internet connections

how to make this: have: Centos 6.5 WAN1 eth0 44.44.44.44 (DEFROUTE=yes) WAN2 ppp0 95.95.95.95 (DEFROUTE=no) HTTP server work and available only in eth0 DNS server work but port 53 blocked in ...
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1answer
42 views

choosing network interface based on network purpose [closed]

i have 3 NIC with ip address 10.10.10.2-eth0, 10.10.10.3-eth1, 10.10.10.4-eth2 An NFS server with IP 10.10.10.5 and want this NFS share to be accessed only through 10.10.10.3 that is through eth1 ...
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0answers
98 views

Add routes for VPN on CentOS

I am a completely new in server routing and VPN. I have a CentOS 6 server with 2 interfaces running (eth0, eth1) and current routes like this # route Kernel IP routing table Destination Gateway ...
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0answers
240 views

Pfsense OpenVPN Site to Site Routing issues

I know this question has been asked a plethora of times before and I have looked over probably 100 different answers and still cant seem to get this to work. Im trying to create a very simple site to ...
1
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1answer
46 views

Qdisc pfifo_fast in linux and IP Precedence

Im using a embedded Linux distribution for a router system. My goal is to prioritize some traffic with minimum delay. I have a WAN interface with a default pfifo_fast qdisc attached to it. I have read ...
0
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0answers
109 views

Linux routing: How to allow a device inside private network to connect a public IP over an unknown network?

Consider following network topology: ---------- ---- (my network) ---- | Device 1 | (.101) | 192.168.191.0/24 | ---------- | | ...
1
vote
2answers
53 views

Can a cisco router execute a command itself?

I'm experiencing a problem with my Cisco router 1900 Series, the router sometimes stop routing packets, and when i log into it and show the running-config i see no ip routing executing ip routing ...
3
votes
2answers
61 views

Transparent proxy cache on BGP multihome

Provider A have transparent caching with squid . In the situation which a client has multihome BGP with provider A and provider B then client does not send its outgoing traffic (upload) to provider ...
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0answers
58 views

Route public subnet to client location

Due to the fact that my ISP introduced CGN/DSLite and I still need public IPv4 addresses, I was thinking about tunneling an unused /29 that I own from my server to my local Linux box. After doing ...
0
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0answers
48 views

Problems on using KVM Guest as router

We have two private subnets on different locations BJ and SH. in BJ, subnet is 10.1.0.0/16 in SH, subnet is 10.2.0.0/16 We want them connected, so we build a tunnel through public internet using ...
0
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2answers
1k views

Windows Route traffic to specific IP through secondary nic

Being reading about this on ServerFault but decided to open a new question, as I can't re-ask over existing threads. 2 computers, 2 nics: Computer A - 100.100.100.10 - 192.168.100.10 Computer B - ...
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2answers
76 views

How to forward FQDNs to Virtual Machines? [closed]

Is it possible to have 2 domain names pointed to two different VMs running under Ubuntu Server? My dilema is that I only have 1 public facing IP address. Here is a graphic of what I am trying to ...
0
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1answer
547 views

Configuring Shorewall for routed OpenVPN

I have an Ubuntu server 14.04 machine that serves as a NAT router. The routing is achieved using Shorewall, mostly in line with this tutorial. The LAN has the subnet 10.0.0.0/24 On this machine I ...
2
votes
1answer
311 views

How do I set up an IPv6 DMZ with iptables without a static allocation?

I have several networks which are on Comcast's residential network. I need to access those networks from a variety of environments, via an SSH proxy on one of the hosts. (As it happens I'm using ...
0
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0answers
24 views

Is it necessary to open all used ports when using one Node.JS application to route from port 80 to apps on different ones?

I'm working with an Ubuntu 12.04 LTS, 64 Bit server there I have used the following commands to send all http request on port 80 to port 8080 Commands: cat /proc/sys/net/ipv4/ip_forward #returns 1 ...
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0answers
120 views

Route between two branch offices via IPsec VPN to head office?

I have TMG 2010 running on Server 2008 R2 in our head office with 2 branch offices connecting in using Dray Tek 2930 routers with IPsec site to site VPNS. The remote sites can route between the head ...
0
votes
1answer
33 views

sporadic routing to another website when opening a common url

I have a strange problem in our office: Sometimes when opening a url from one of our projects random url in any browser not the right website shows up but some other website. In most of the cases ...
0
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1answer
285 views

Access to a network server without port forwarding

I have a network with the following structure. The server in PC2 is simple socket server TCP in 8080 port. I need to access to PC2 from other external network by socket client. This socket client ...