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How to connect a custom SIP Server to CUCM (Cisco)

We have a SIP Server (Kamailio) and would like to connect it to the Cisco Unified Communications Manager (CUCM). The goal is to have users registered on Kamailio who could call users registered on the ...
0
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2answers
27 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
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1answer
19 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 ...
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0answers
25 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
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1answer
20 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 ...
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1answer
32 views

Gateway can't ping client

I try setup a new gateway in my virtual network. But sure I' have a problem. The Gateway cannot ping client but client can ping other client and gateway. So I have check my iptables rule (I does'nt ...
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0answers
46 views

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

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 ...
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2answers
85 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 ...
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0answers
25 views

What could cause files > 50kb to timeout? (PFSense Router)

I've got a PF Sense box acting as a gateway work the LAN at my work, with packet filtering enabled (for QOS purposes) files > 50kb cannot be attached to email, uploaded to web pages etc... even ...
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2answers
41 views

ftp server in passive mode at private subnetwork

I have following configuration: FTP client (public_IP1) => internet => Firewall(Public_IP2) => FTP server (10.10.12.171) I have following iptables rules at Firewall: DNAT tcp -- 0.0.0.0/0 ...
2
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1answer
31 views

Shorewall: VPN clients can access LAN resources, but not the Internet

I set up a network in my studio's office with a Raspberry Pi serving as a VPN server for remote clients to access LAN resources. Router port-forwards 1194 port to RPi, so it's accessible from the ...
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0answers
17 views

SSH gateway forward based on username [duplicate]

We want to use NAT to save public IP addresses. To gain ssh access to the virtual machine with an internal IP address we want to use an SSH gateway to forward sessions to the right server based on its ...
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0answers
22 views

Gateway to internet on CentOS 6

I have 2 CentOS 6 linux servers say hostnames cent001 and cent002 cent001 has 2 Nic's 1 Bridged and 1 Nat cent001 is able to ping google server 8.8.8.8 with the help of bridged NIC cent002 has only ...
0
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1answer
55 views

Network issue with Centos 7 [closed]

I've just installed the minimum install of Centos 7 in VirtualBox. When trying to ssh from my local into my VM I realise the VM is on a different gateway / ip range. My home network is on 10.0.1.x ...
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0answers
15 views

Will enabling Comcast Business Gateway Port triggering lock me out?

Device info: SMC Networks Firmware 3.1.6.56 I am remotely logged into a server and configuring the "Comcast Business Gateway". At the current moment, Within the Firewall >> Port Configuration >> ...
0
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1answer
46 views

Setting up site-to-site IPsec in bridged mode

I'd like to set up site-to-site IPsec in bridged mode: that is, where the hosts in each site don't need to be modified to use the IPsec gateway, but the IPsec gateway acts as a pseudowire. My plan to ...
0
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1answer
29 views

Using gateway on remote network to reach another subnet

I have the setup like this: VPN Clients VPN Server 10.1.1.2 10.1.1.1 ---> Internet 10.1.1.3 10.1.1.4 10.1.1.5 | \ 10.0.0.0/24 LAN The VPN clients are using the VPN server as ...
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2answers
408 views

Routing from docker containers using a different physical network interface and default gateway

Background Information I have a server with two network interfaces that is running Docker. Docker, like some virtualization tools, creates a Linux bridge interface called docker0. This interface is ...
2
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0answers
81 views

Bad Gateway! when calling a cfx dll on ColdFusion 11 IIS 8.5

I am getting a Bad Gateway! error when running a ColdFusion page that calls a C++ dll. The CF administrator runs and other pages with cfx dll calls run. The ColdFusion is 32bit because the DLLs are ...
1
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1answer
45 views

Routing issue on Linux with Mobile Broadband

Note: This is a "cross-post", I asked this same question on "superuser" StackExchange site, but without obtain any answers, just a comment (now curiously disappeared). I've thought this site is ...
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0answers
68 views

kvm guest routing with 2 default gateways

I have a kvm guest with two virtual NIC. NIC with internal IP III.III.III.III (eth0) NIC with external IP EEE.EEE.EEE.EEE(eth1) I'm using macvtap. The host has his own external IP. I can ping ...
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1answer
22 views

Debian - One Gateway 2 interfaces how to?

I have this scenario. 4 VM Debian8 : 1 DHCP 1 DNS 1 GW 1 Client I can ping from all my VM (except GW) each other (@ip or hostname). My GW have 2 interfaces (eth0->LAN / eth1->WAN). From it I can ...
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0answers
35 views

GPON Gateway Settings

So recently my ISP installed optical fiber device. From the device description according to the gateway setting, it's a GPON Device The default package by the ISP is set to 4mbps. But when I started ...
0
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2answers
90 views

Combining two subnets with same default gateway

This is the current situation: Subnet 1: 192.168.1.x (255.255.255.0) with default gateway on 192.168.1.1 Subnet 2: 192.168.90.x (255.255.255.0) without any gateway (no internet access) -> all ...
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0answers
39 views

Remote Desktop Gateway temporarily unavailable outside LAN

I have setup Microsofts RD Gateway on a server in one of our subnets. We have multiple subnets separated by a Cisco ASA firewall. One for servers, one for desktops etc. If I run mstsc from the server ...
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1answer
34 views

How to use Server2012 as DHCP and on the same time Ubuntu Server as Gateway for the client Machines? [closed]

I want to use Windows Server 2012 R2 as a DHCP for the client computers with Ubuntu server acting as gateway to the internet. I am using VMWare WorkStation. Both machines are installed on it. Windows ...
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2answers
124 views

Random “Gateway Timeout” error in Ubuntu 14.04.1 LTS

Tried everything, can't solve it. The error shows up at random points in time when client browsers access various PHP scripts, also in my own progran an Exception is sometimes being raised when I ...
1
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1answer
48 views

Weird routing between two networks

My question seems to be quite simple, yet I can't just wrap my head around it. My setup is like this: Server running RHEL 6.4. It has two network interfaces: ib0: infiniband network (plz don't ask ...
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0answers
31 views

Security implications of wide WAN subnet

I have a server at OVH and say my public IP adress is xx.xx.xx.81 and the gateway is at xx.xx.xx.254. To reach the gateway, I need pfSense to be configured static WAN IP with xx.xx.xx.81/24, i.e. the ...
1
vote
1answer
36 views

Using two openvpn clients to expose services of a server

I am currently attempting to use two openvpn clients to expose services of a server, as is already said in the title. I may be playing with powers far beyond my current comprehension, but please bear ...
0
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1answer
28 views

Can't connect to pre-configured NAS boxes with static addresses and default gateway 172.16.2.1

I received several TeraStation NAS boxes which I can't configure because I can't connect to them, presumably because they were setup for a specific environment. I'm hoping to virtualize the ...
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2answers
88 views

setting up default-gateway on a router

So I've got this weird assignment, where each branch office has to be able to access the main office (and Internet) through a serial connection. Since switches don't have a serial connections ...
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0answers
105 views

Bad Gateway - NGINX Load Balancer Cloudflare

I have configured an NGINX 'load-balancer' to sit in front of my site. Right now my backend consists of only one server, but I plan to add more to actually utilize the 'load-balancing' of NGINX. If I ...
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1answer
53 views

Multiple Gateways on LAN

This is more a theoretical question. Let's assume we have a Firewall/DG (with a connected WAN) on LAN IP 192.168.1.1. All external DNS records for incoming services like OWA, FTP etc. point to this ...
0
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1answer
32 views

Master and slave devices talking to each other through another device with two interfaces. All in the same network

I have three devices, one is a master which will talk with the slave and Device3 but it is only physically connected to the Device3. The slave will speak only with the master(also through the ...
0
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1answer
95 views

Cannot configure RD Gateway to RDP through web access

I have a windows server 2012 base ec2-instance. This is joined to a domain. Have installed RDS service, and configured to make it a RD Gateway server. I can nicely access through web also. But I ...
0
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1answer
109 views

Can't reach static IP address from outside the network

I've got a server with two network cards. The first one is configured with an internal IP and everything works just fine. The second one is configured with an external IP and is causing me some ...
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0answers
15 views

Cannot configure RD Gateway

I have a windows server 2012 base ec2-instance. This is joined to a domain. Have installed RDS service, but I need to make it a RD Gateway server. I was trying to configure session based desktop ...
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0answers
71 views

Route part of a subnet to a different gateway

Data network is 10.220.0.0/20 DG is 10.220.1.19 I am trying to have all traffic in 10.220.8.0 - 10.220.15.255 (10.220.8.0/21) routed to this gateway: 10.220.1.251 I can't seem to accomplish this at ...
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0answers
168 views

ClearOS route configuration not working. How to setup route-eth0 properly?

I am running a ProxMox Server with ClearOS as a VM. I have the following requirements: extIP 1.1.1.1 gateway 2.2.2.2 I can not get clearos to automatically add the required routes. Here is what my ...
0
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1answer
99 views

How to connect Network and GRE Tunnel Traffic and control and flow of TCP/UDP Packets?

I need some serious help with a complex routing setup I am doing. Lets I have a /24 IPv4 .I am announcing the same /24 at two different locations. One is a ISP exchange center where all the ISPs peer ...
0
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2answers
194 views

Supersede default route

I have two network interfaces eth1 and wlan0. I would prefer all outbound traffic to go through eth1 before wlan0, but if eth1 is not up, and then wlan0 should handle the traffic. Both interfaces get ...
1
vote
1answer
297 views

FreeBSD 10.1 routing issues

I have FreeBSD based router in my campus. Trivial configuration for these types of routers: two interfaces, one of them looking to the outer internet, second - to the local net. In my local net ...
2
votes
2answers
113 views

Why Ping starts showing results only after a minute

I am running a Solaris 11 system over a local private network 192.168.100.0/24 and I run ping -s to get continuous ping. From the Gateway to my server I get root@mygateway:~# ping -s 192.168.100.42 ...
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1answer
41 views

company computers with proxy but no gateway?

Can I safely assume that client computers in my customers environment do have a configured gateway (whether static or DHCP)? It looks obvious but I wonder if this scenario is realistic: In corporate ...
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1answer
64 views

Is there a Universal/Generic Default Gateway Address in IPv4? [closed]

Is there a universal and/or generic default gateway address in IPv4? I'm looking for something similar to the way you can always reference a NICs IP address from itself with 127.0.0.1 regardless of ...
0
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1answer
49 views

Is there any solution to change the source IP from outgoing WAN A to receiving WAN B?

I am configuring a office router for crossing the GFW in China. I want to use WAN A(actually a low bandwidth VPN tunnel) only to send package to target servers (YouTube for example). And change the ...
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0answers
146 views

OpenVPN server, how to block clients without redirect-gateway

is there a way not to connects a clients without redirect-gateway option? For example if the client ignore this directive with https://community.openvpn.net/openvpn/wiki/IgnoreRedirectGateway.
0
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1answer
124 views

pptp gateway with ssh access

I am desperately trying to setup a gateway-server that forwards all local traffic to a ppp0 connection but is still reachable via ssh on the local network. The point-to-point connection establishes ...
0
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1answer
121 views

Postfix configure a gateway to outbound emails

I have a server configured with Postfix in my business office. I have another server at a hosting provider that I want to send all my outbound mail through. How can I do this. The only way I know its ...