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2answers
1k views

Traceroute doesn't reach gateway

I have problem with my openSUSE 11.3 network. So, I've assigned IP address 192.168.137.2 to it, and another computer (Windows 7) with IP address 192.168.137.1. On the openSUSE, the gateway is the 192....
0
votes
0answers
4 views

Looking for tool to listen act as SMPP server and forward requests via HTTP

I'm looking for a tool or service that can receive SMPP requests (SMS gateway) and forward these requests to an HTTP API. I've tried Kannel (kannel.org) but that only works the other way around. It ...
0
votes
4answers
124 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
6 views

independent ftp proxy for enable ssl layer

is there available any software for ftp proxying? Problem is old ftp server that cannot take ssl layer. Idea is, make additional gateway that take client connections with ssl, uncrypt this and put ...
0
votes
0answers
13 views

Building a meshed overlay network with outgoing connections going through a gateway

I rent a few Linux servers and the provider doesn't offer a VLAN. Each server gets a public IPv4 address, which are not part of the same subnet. I would like to create a network which "hides" the ...
2
votes
1answer
1k views

Set gateway per interface in DNSMasq

I have dhcp set up using DNSMasq, which looks like this: dhcp-range=interface:eth0,10.1.0.50,10.1.0.250,255.255.255.0 dhcp-range=interface:eth1,10.1.20.50,10.1.20.250,255.255.255.0 What I need to ...
3
votes
2answers
9k views

nginx : no live upstreams while connecting to upstream

502 bad gateway error displayed when switching between site pages and some times on home page but not for the first request on the home page it is only when another page redirect to it. and it happens ...
0
votes
1answer
8 views

Gunicorn intermittently returning HTTP502

I'm running gunicorn 19.5.0 with 3 workers and a 30 second timeout on a single Xeon core. Gunicorn is sitting between nginx and postgres. Ngix is on the same server as gunicorn (the webserver), ...
0
votes
0answers
17 views

How do I manually add IP to my routing? [migrated]

I need to add an IP to my routing. I'm connected to a lab with Openvpn. My routing looks like this now; Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 ...
4
votes
1answer
2k views

MSTSC + gateway crashes on auto reconnect

We have an application that is used as a RemoteApp. Users access the RemoteApp via gateway. We are experiencing crashes with users running MSTSC v.6.3 on Win64 (tested with Windows 7 and Windows 8) ...
0
votes
1answer
2k 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 ...
2
votes
1answer
1k views

lxc container not getting default route

I'm running Ubuntu Precise. I understand that my current version of lxc doesn't support gateway/default route assignment (lxc 0.7.5-3ubuntu67). I've been trying like heck to get a few lines to execute ...
5
votes
3answers
5k 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 ...
-1
votes
1answer
27 views

Which Email Server Expands the Recipient List into Many Emails?

When sending a message via a different SMTP outbound gateway, will a message containing multiple recipients in the BCC field be broken up into many messages by the originating server, or the server ...
0
votes
2answers
9k views

Two routes for localnet, how to delete the one without GW?

I have a system were I get sporadic routing issues. When looking into the routing table I get the following: localnet static.xx.xx.x 255.255.255.192 UG 0 0 0 eth0 localnet ...
0
votes
1answer
45 views

Multiple Gateways of different type on Microsoft Azure Virtual Network?

I currently have a VNET that is linked to an ExpressRoute connection that has a Gateway to a local on-premise network. I would like to add a secondary Gateway that would connect this VNET to another ...
0
votes
1answer
40 views

Two subnets, two DHCP servers. How to stop both DHCP servers from responding to requests from both networks?

I have an environment with two subnets 192.168.1.x/24 and 192.168.2.x/24 Each subnet/network has a Cisco RV082 router as the gateway and a domain controller in each environment that also has a DHCP ...
0
votes
1answer
39 views

Centos 7 firewall-cmd settings not persisting

I have decided to do a bit of spring cleaning, and am doing a refresh of some of my underlying infrastructure. One of the critical components I am overhauling is the Network Gateway server. I updated ...
0
votes
1answer
23 views

Deny Remote Desktop by TS Gateway (and keep RemoteApp)

Through a TS Gateway Server 2012 remoteapp are availables, by this way, we can also access to the remote desktop of the server which provides the remoteapp, by using mstsc and specify the gateway, I ...
0
votes
1answer
31 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
16 views

Can't create a bridge vm between two standard vswitches

i have an esxi 6 host with two vswitches and a vmkernel portgroup assigned to each one. each of these vswitches are assigned to a physical intel nic (hp ml110). i then created a linux vm (ubuntu) with ...
0
votes
1answer
30 views

Application Gateway Load balancing mode

I have read in the docs (https://azure.microsoft.com/en-us/documentation/articles/application-gateway-introduction/) that the Load Balancers support sticky sessions where the client will always be ...
0
votes
0answers
21 views

How to make a XMPP proxy

I have a SMS text-messaging phone number that uses a XMPP (Jabber) account on the Internet to send/receive text messages. I would like to set up a XMPP "proxy" server/client daemon on a Linux system (...
-1
votes
1answer
45 views

Set Internet Access for VLAN + Default Gateway + DHCP Client

I have a question that make my mind so bussy. I would appreciate if anyone guide me about this. So let me explain: Firstly consider We have bellow devices: Devices: 2 L2 Managable Swiches 1 ...
3
votes
2answers
106 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 ...
0
votes
0answers
71 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 ...
22
votes
8answers
99k views

Nginx + php-fpm “504 Gateway Time-out” error with almost zero load (on a test-server)

After debugging for 6-hours - I am giving this up :| We have a nginx+php-fpm+mysql in LAN with almost 100 wordpress (created and used by different designers/developers all working on test wordpres ...
1
vote
2answers
660 views

OpenBSD: Gateway outside subnet (works in Linux)

We need to set up an OpenBSD host to use a default gateway that's outside of it's subnet. This is all I need to do on Linux (not the actual IPs) to achieve it: ifconfig eth0 33.33.33.33/31 up route ...
0
votes
1answer
59 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
1answer
41 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 ...
1
vote
1answer
31 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
2answers
31 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
82 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
22 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
78 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
335 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
47 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
2answers
870 views

PPTP VPN not working in airport business lounge - alternatives?

Some of the execs in the company I do work for are complaining that they cannot access the (PPTP) VPN from various Business Class airport lounge wireless networks. They can access normal web pages. ...
0
votes
1answer
212 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
votes
1answer
2k views

Configure clients to navigate through specific wan. Pfsense

I have a machine with a pfsense running. It is configured with three ethernet cards. LAN 192.168.2.1/21 WAN1 200.41.X.2/24 WAN2 200.41.X.3/24 ISP Gateway 200.41.X.1 This is a connection with 5 ...
1
vote
1answer
681 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 14:...
1
vote
3answers
412 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
47 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 ...
0
votes
1answer
52 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
2answers
163 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
51 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 (172.18.186.0/...
0
votes
0answers
23 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 ...
1
vote
1answer
214 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 "...
1
vote
1answer
233 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 ...