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0
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1answer
724 views

Can't access my external ip address outside of my LAN, apache server on OS X [closed]

For fun I've been working with a web server on my OS X(10.8.4). Apache and its httpd.conf(/etc/apache2/) file and username.conf(/etc/apache2/users/) files all seem to be fine, I can access my ...
0
votes
0answers
64 views

Own relay server using VPN

I have following setup: Server (NATed) connected via VPN to public relay server. There are many of these servers and all have an own VPN connection to the relay server. A client (mobile, NATed) sends ...
0
votes
1answer
91 views

Using Linux's netfilter to reflect packets

I've got a pair of hosts with very bad routing between the two, but I have a third host that has very good ping to each. To work around the bad routing, I'm setting up the third host to bounce packets ...
0
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1answer
31 views

forwarding of small and large packets: any difference?

When it comes to simple forwarding of packets (no errors being generated), are packets processed faster by routers when they are small as opposed to when they contain a large payload? Or do routers ...
-2
votes
1answer
516 views

Postfix forwarding is not working

I used this tutorial for forwarding email to another email address on a test mail server and Gmail but it did not work. ...
0
votes
1answer
320 views

How do I configure routing from host system to virtual machine?

I have an Ubuntu host system that is running a MAC-VLAN virtual interface on top of eth0 interface, ipv4 routing is enabled. Also, this system has a Docker (LXC) container running: docker0 Link ...
1
vote
0answers
79 views

How does IPv6 forwarding work when I have an ubuntu router as well as a local router [closed]

I had this question about ipv6 forwarding.I have an Ubuntu machine with 2 network interfaces (eth0,eth1). Lets say the interface eth1 supports ipv6 addressing and has an ipv6 address of bbbb::100/64. ...
-1
votes
2answers
230 views

Use Domain in iptables PREROUTING

I have a www.example.com with X.X.Y.Y ip i want to forward traffic from port 80 to the domain(www.example.com), I used the following iptable: iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT ...
0
votes
2answers
231 views

Ubuntu-Server router - forwarding/routing does not work

This is more or less a pretty general question about forwarding and routing with ubuntu server or any linux system, i guess. The server manages a school network and has 8 NICs - each on a different ...
0
votes
2answers
897 views

OSPF routers (with BIRD on debian) recognize each other as neighbors but can't ping each other

I've created a "line" topology using virtual box - creating 4 machines and making a separate link between each using internal networks - R1 (eth0, 10.0.1.1) <-> (eth0, 10.0.2.1) R2 (eth2, 10.0.2.2) ...
2
votes
3answers
189 views

Force local TCP packets over network segment for capture

I have two machines, A and B, running RHEL Linux. Each machine has a 1Gig network card connected to what I call the "LAN" network. Each machine has a 10Gig network card that is connected to what I ...
0
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0answers
36 views

Iptables: Selective Filtering through Open Forward

I am a bit confused why this [1] doesn't make it through iptables v.1.4.8 on a Debian v.6.0.6 box given the following statements in /etc/iptables.sh: iptables -A FORWARD -i $LAN_INTERFACE -o ...
0
votes
0answers
38 views

Nginx subdomain forwarding

I have 2 diffrent sites running on one server. i want nginx to forwrad site.com to site.com:1900 and sub.site.com to site.com:1901 how can i do that? both of these sites are available by port. ...
0
votes
1answer
80 views

Redirecting port A -> B and blocking externally B

I want to redirect port A to port B and EXTERNALLY block port B. A = 9922 B = 22 (Yes, it's ssh, and NO I cannot change it in configuration.) I have three interfaces: lo (loopback) p36p1 ...
0
votes
1answer
47 views

Postfix email alias forwarding

Currently I have installed, and configured postfix. If I send a email to let's say 'admin@XYZ.com' I receive the email(s) locally on the server. I would like to get these said emails to 'XYZ' to ...
0
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0answers
31 views

List mailbox without mail redirection

Do you know a powershell command which list mailboxs which doesn't have redirection. I find this topic: Find users that are auto forwarding / redirecting their email in Exchange 2010 using Powershell ...
-1
votes
1answer
72 views

Are SMTP headers retained when an email is forwarded or replied to? [duplicate]

Let's say an email is sent from party A to B. Let's refer to the set of headers that B views as Headers 1. Party B then replies to or forwards the email to party C. Let's refer to the set of ...
1
vote
3answers
351 views

Linux routing - Access external IP from LAN

I'm using OpenWRT (linux based) on my router. The router has a local IP and a public IP. I have a dyndns name assigned to the public IP. The router is forwarding several ports (e.g. ssh and https) to ...
0
votes
1answer
474 views

Query upstream authoritative DNS for unknown host

I've got an internal bind server which works fine for my local name resolution. Most of the hosts are mapped with internal IPs instead of their corresponding external IPs. However, there are ...
1
vote
2answers
152 views

SSH Key Forwarding fails as soon as I am root

Situation I add a ssh-key to the chain using ssh-add -K the_path as user@local I set up key forwarding as described here https://help.github.com/articles/using-ssh-agent-forwarding ...
2
votes
0answers
308 views

What is a valid destination log for Windows event forwarding

I'm running into an issue when trying to use a custom log journal for storing forwarded events (via subscription) on a Windows 2008 R2 server, the custom log being described as not being a "valid ...
1
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0answers
50 views

BIND: forward 1st level zone

First of all: sorry for the language, English is not my primary language. I have star-like DNS structure with many filials (more that 2): ^ ...
0
votes
1answer
341 views

Setting up a bind forwarder, except for a domain

I'm trying to setup a local bind DNS server (first time dealing with DNS servers, know a bit about records) that: Routes *.internal, *.*.internal to itself (preferably any combination of ...
2
votes
1answer
81 views

allowing forwarding on a root server, security risk?

Having a root server without iptables rules (I know this is not good, it's just temporary tho in my case), and having configuration like this (for VPN reason): echo 1 > ...
0
votes
2answers
122 views

iodine and bind on same server

I have recently setup a server running ubuntu server 12.04. I bought a domain, example.com, and have registered nameservers ns1.example.com and ns2.example.com. Both point towards my server running ...
0
votes
1answer
58 views

Two Nics, one direct connection and forwarding

I'm designing a system with a Server PC with two nics running Centos 6 and a Sensor Device which runs a web server. The Sensor Device is connected directly to one of the nics of the Server PC. All ...
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votes
1answer
27 views

After including DNS forwarder, not possibility to send email to the “forwarded domain”

I have a client non trusted domain, let say "domainA.com", I manage it with System Center 2012 installed in my company internal domain (let say domainB.lan). I have added forwarders in my dns to be ...
0
votes
2answers
213 views

Use lighttpd to access a website over a proxy

this is going to be my very first question. At our company we are using Squid as a proxy between our intranet and the internet. Now we have the need that a software package can't handle a proxy ...
2
votes
1answer
767 views

iptables FORWARD port to internal server

I've been struggling with a FORWARD policy that isn't working the way I'd like, and I can't figure out what is causing the session to fail. I hope someone can help. My goal is to forward port 3000 ...
0
votes
1answer
53 views

How to forward emails from a domain to 2 different servers?

I am not sure the title describes my problem properly, so let me explain. I have a domain called example.com. I have currently set it up for email services from Microsoft Live domains. I have done ...
-1
votes
1answer
37 views

Copy Admin on All Emails To/From Specific Outside Email Address [Google Apps (GAM API)]

We use a fax-through-email service and I would like to keep track of our employees' usage of it. We use Google Apps for Business and I have installed/configured GAM API for the more advanced ...
0
votes
1answer
187 views

How can I configure Postfix to ignore relayhost when forwarding mail?

How can I configure Postfix to ignore relayhost when forwarding mail? I currently use the relayhost to send all outgoing email via an external SMTP service : # /etc/postfix/main.cf relayhost = ...
0
votes
1answer
214 views

redirect traffic from 2 Ubuntu external NICs to specific internal hosts

I am having problems redirecting incoming traffic to 2 external facing interfaces on my Ubuntu 12.10 server to 2 separate internal hosts. I am able to redirect incoming traffic on my eth0 just fine to ...
0
votes
1answer
73 views

Whats wrong with my iptables?

Problem I cannot get requests to my server on port 80 to redirect to my client on port 8080 Server I am using a CentOS 6.3 VM as the server, the client is an Arduino Server eth0 - 172.16.145.139 ...
1
vote
2answers
375 views

nginx: redirecting only 'www' subdomain to main domain?

Update: April 20th 2013, Still no solution found, please help Looking at my nginx config, the only like that could be the culprit is this: server { listen 80; listen [::]:80 ...
1
vote
2answers
998 views

Difference between routing and forwarding table

What is the difference between forwarding and routing tables?
0
votes
1answer
193 views

How to configure iptables rules for connecting 2 eth to the net (forwarding & masquerading)

need some help on configuring iptables rule for forwarding and masquerading Given I have these configuration: switch1 ---- (eth1) ----- router ---- (eth2) ----- switch2 ...
0
votes
1answer
541 views

preventing “invalid security certificate” (ssl_error_bad_cert_domain) when using a subdomain forwarded to a dynamic dns domain name

I've been looking around in Google and so far have not found a page that addresses my situation, which is weird because I'm sure it's been attempted thousands, if not millions, of times before. I ...
0
votes
2answers
97 views

Apache2 mixing forward and reverse proxy

I upgraded apache2, which behaves different now. I want to mix a forward proxy, only accessable from the intranet and a reverse proxy which should be accessable from the internet. What happens is ...
0
votes
2answers
159 views

Accessing website from two ports - Apache config

I have a website setup and want to be able to access the same site from two different ports. Does anybody know how I would do this? For example, I want to be able to access exactly the same at ...
1
vote
1answer
66 views

Junos Routes - Route Specificity vs Protocol

I am trying to load balance a router to send traffic over two uplinks (with equal capacity). I generated static routes for every /8 on the internet (for ipv4) and plugged it in. Unfortunately it does ...
0
votes
0answers
52 views

Multiple Ports Forwards, Most Working, but Not All?

So I have this ASA5505 setup and pretty much everything works, except a couple key port forwards. Can anybody spot ANY reason why SOME port forwarding would not work? Specifically I know the 50000 ...
0
votes
2answers
72 views

IP:PORT redirection software?

i'm looking for a way to redirect traffic to an other ip on a certain port. Been able to do this with iptables on linux and netsh on windows but in both cases the client gets the ip address of the ...
0
votes
3answers
201 views

iptables FORWARD 80 to 8080, no direct access on 8080

iptables -A INPUT -p tcp -m multiport --dports 80,443,8080,8181 -m state --state NEW -m limit --limit 50/minute --limit-burst 200 -j ACCEPT iptables -A INPUT -p tcp -m multiport --dports ...
0
votes
2answers
121 views

Forward all email to another user in Exchange 2010

I am trying to forward emails for a user who has left our organisation to another user, but I cannot find how to do it. We have recently upgraded to Exchange 2010 (from 2003), which now runs on a ...
1
vote
1answer
305 views

Server 2012 DNS forwarding - core.company.com

Folks: I'm moving from an old SBS2003 network to Server 2012, and thought I'd take the opportunity to have a spring clean by creating an entirely new AD. My old domain was mycompany.local, however it ...
1
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0answers
75 views

forward a specific port from linux server (ubuntu) through firewall server (ubuntu)

I'm doing the following: % autossh -i YYY.pem XXX@SERVER -N -R 90:localhost:9000 -o ServerAliveInterval=30 to forward a server port from the local machine to the public machine. But connections ...
2
votes
1answer
323 views

Can't connect to instance via floating IPs, not natting/forwarding properly

I'm having trouble getting floating IPs to work properly on my OpenStack setup. It looks like the controller node (running nova-network) isn't forwarding the traffic to the instances. I've got a ...
0
votes
1answer
122 views

bind forward different domain to different ns

Recently I've started a bind9 NS host for the internal network of my school, providing a "CLEAN" NS Server. I want to forward almost all traffic to NS provided by ISP, but forward a few other domains ...
1
vote
0answers
60 views

AWS IP Forwarding

I have an Elastic IP on AWS that I want to forward to a Public IP outside of AWS. Any ideas how I could accomplish this?