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  • Moving Microsoft Exchange server to the private network.

    - by Alexey Shatygin
    In one of the offices, we have a 50-computers network, which had only one server machine: Windows 2003 Server Microsoft ISA Server Microsoft Exchange 2003 This server worked as a gateway (proxy server), mail server, file server, firewall and domain controller. It had two network interfaces, one for WAN (let's say 222.222.222.222) and one for LAN (192.168.1.1). I set up a Linux box to be the gateway (without a proxy), so the Linux box now has the following interfaces: 222.222.222.222 (our external IP, we removed it from the Windows machine) and 192.168.1.100 (internal IP), but we need to keep the old Windows server as a mail server and a proxy for some of our users, until we prepare another Linux machine for that, so I need the mail server on that machine to be available from the Internet. I set up iptables rules to redirect all the incoming connections on the 25th and 110th ports of our external IP to 192.168.1.1:25 and 192.168.1.1:110 and when I try to telnet our SMTP service telnet 222.222.222.222 25 I get the greetings from our windows server's (192.168.1.1) SMTP service, and that's works fine. But when I telnet POP3 service telnet 222.222.222.222 110 I only get the blank black screen and the connection seem to disappear if I press any button. I've checked the ISA rules - everything seems to be the same for 110th and 25th ports. When I telnet on 110th ports of our Windows server from our new gateway machine like this: telnet 192.168.1.1 110 I get the acces to it's POP3 service: +OK Microsoft Exchange Server 2003 POP3 server version 6.5.7638.1 (...) ready. What sould I do, to make the POP3 service available through our new gateway?

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  • Linux port-based routing using iptables/ip route

    - by user42055
    I have the following setup: 192.168.0.4 192.168.0.6 192.168.0.1 +-----------+ +---------+ +----------+ |WORKSTATION|------| LINUX |------| GATEWAY | +-----------+ +---------+ +----------+ 192.168.150.10 | 192.168.150.9 +---------+ | VPN | +---------+ 192.168.150.1 WORKSTATION has a default route of 192.168.0.6 LINUX has a default route of 192.168.0.1 I am trying to use the gateway as the default route, but route port 80 traffic via the VPN. Based on what I read at http://www.linuxhorizon.ro/iproute2.html I have tried this: echo "1 VPN" >> /etc/iproute2/rt_tables sysctl net.ipv4.conf.eth0.rp_filter = 0 sysctl net.ipv4.conf.tun0.rp_filter = 0 sysctl net.ipv4.conf.all.rp_filter = 0 iptables -A PREROUTING -t mangle -i eth0 -p tcp --dport 80 -j MARK --set-mark 0x1 ip route add default via 192.168.150.9 dev tun0 table VPN ip rule add from all fwmark 0x1 table VPN When I run "tcpdump -i eth0 port 80" on LINUX, and open a webpage on WORKSTATION, I don't see the traffic go through LINUX at all. When I run a ping from WORKSTATION, I get this back from some packets: 92 bytes from 192.168.0.6: Redirect Host(New addr: 192.168.0.1) Vr HL TOS Len ID Flg off TTL Pro cks Src Dst 4 5 00 0054 de91 0 0000 3f 01 4ed3 192.168.0.4 139.134.2.18 Is this why my routing is not working ? Do I need to put GATEWAY and LINUX on different subnets to prevent WORKSTATION being redirected to GATEWAY ? Do I need to use NAT at all, or can I do this with routing alone (which is what I want) ?

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  • How can I setup OpenVPN with IPv4 and IPv6 using a tap device?

    - by Lekensteyn
    I've managed to setup OpenVPN for full IPv4 connectivity using tap0. Now I want to do the same for IPv6. Addresses and network setup (note that my real prefix is replaced by 2001:db8): 2001:db8::100:0:0/96 my assigned IPv6 range 2001:db8::100:abc:0/112 OpenVPN IPv6 range 2001:db8::100:abc:1 tap0 (on server) (set as gateway on client) 2001:db8::100:abc:2 tap0 (on client) 2001:db8::1:2:3:4 gateway for server Home laptop (tap0: 2001:db8::100:abc:2/112 gateway 2001:db8::100:abc:1/112) | | | (running Kubuntu 10.10; OpenVPN 2.1.0-3ubuntu1) | wifi | | router | | OpenVPN INTERNET | eth0 | /tap0 VPS (eth0:2001:db8::1:2:3:4/64 gateway 2001:db8::1) (tap0: 2001:db8::100:abc:1/112) (running Debian 6; OpenVPN 2.1.3-2) The server has both native IPv4 and IPv6 connectivity, the client has only IPv4. I can ping6 to and from my server over OpenVPN, but not to other machines (for example, ipv6.google.com). net.ipv6.conf.all.forwarding is set to 1, I've tried disabling net.ipv6.conf.all.accept_ra as well, without luck. Using tcpdump on both the server and client, I can see that packets are actually transferred over tap0 to eth0. The router (2001:db8::1) send a neighbor solicitation for the client (2001:db8::100:abc:2) to eth0 after it receives the ICMP6 echo-request. The server does not respond to that solicitation, which causes the ICMP6 echo-request not be routed to the destination. How can I make this IPv6 connection work?

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  • How can I make IPv6 on OpenVPN work using a tap device?

    - by Lekensteyn
    I've managed to setup OpenVPN for full IPv4 connectivity using tap0. Now I want to do the same for IPv6. Addresses and network setup (note that my real prefix is replaced by 2001:db8): 2001:db8::100:0:0/96 my assigned IPv6 range 2001:db8::100:abc:0/112 OpenVPN IPv6 range 2001:db8::100:abc:1 tap0 server side (set as gateway on client) 2001:db8::100:abc:2 tap0 client side 2001:db8::1:2:3:4 gateway for server Home laptop (tap0: 2001:db8::100:abc:2/112 gateway 2001:db8::100:abc:1/112) | | | (running Kubuntu 10.10; OpenVPN 2.1.0-3ubuntu1) | wifi | | router | | OpenVPN INTERNET | eth0 | /tap0 VPS (eth0:2001:db8::1:2:3:4/64 gateway 2001:db8::1) (tap0: 2001:db8::100:abc:1/112) (running Debian 6; OpenVPN 2.1.3-2) The server has both native IPv4 and IPv6 connectivity, the client has only IPv4. I can ping6 to and from my server over OpenVPN, but not to other machines (for example, ipv6.google.com). Using tcpdump on both the server and client, I can see that packets are actually transferred over tap0 to eth0. The router (2001:db8::1) send a neighbor solicitation for the client (2001:db8::100:abc:2) to eth0 after it receives the ICMP6 echo-request. The server does not respond to that solicitation, which causes the ICMP6 echo-request not be routed to the destination. How can I make this IPv6 connection work?

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  • openVPN as a way to connect to a LAN by another client, different from server

    - by Einar
    Setup: one LAN handled by a router without a publicly available IP address but without any outbound connection restrictions ("target LAN"); a separate server publicly reachable from the Internet ("gateway"). I am trying to set up openVPN so that a third client can connect to the "gateway" and access the "target LAN". As the router of "target LAN" is not reachable from the Internet directly, it connects to the gateway itself via openVPN as well. The problem is how to handle routing. The LAN router has two network interfaces (for the outside network and the LAN itself). In openVPN (the server on the gateway) I set client-to-client and push "route 192.168.10.0 255.255.255.0" but I assume this would be horribly wrong (it actually messed up the routing on the LAN router until I killed openVPN). openVPN is not using bridging, is configured via tun. Other config details from the server server 10.8.0.0 255.255.255.0 client-config-dir ccd route 192.168.10.0 255.255.255.0 And the client file in ccd is iroute 192.168.10.0 255.255.255.0 What can be adjusted to ensure that a third client can connect through openVPN and access the LAN mentioned earlier?

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  • Prevent Linux from processing incoming ICMP Host unreachable packets

    - by bbc
    I have a test setup with one host on a network (10.1.0.0/16) talking via TCP to another one on another network (10.2.0.0/16) and a gateway in the middle. Sometimes, the TCP connection is lost and while scanning the trace (pcap), I looks like it's because of just one ICMP Host unreachable message sent by the gateway to 10.1.0.1 at some point. 10.1.0.1 then sends a TCP RST to 10.2.0.1. In my opinion, the gateway (pfSense) is broken or not configured correctly but anyway, for testing purposes, I'd like to block this kind of ICMP on the host (10.1.0.1) before it has an influence on my TCP connection (or does it? I'm not even sure). I've tried iptables: iptables -I INPUT -i eth0 -p icmp --icmp-type host-unreachable -j DROP but while it does a good job at preventing userpace applications like ping from receiving these ICMP messages, my TCP connection still comes to an end when the alleged "killer ICMP packet" is sent by the gateway. Am I right about how it is processed? If yes, then what can I do to achieve my goal?

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  • Use both OpenVPN & eth0 together

    - by shadyabhi
    I connect to a VPN using openVPN. Now, after the connection is established, all my traffic goes through tun0. My LAN gateway is 10.100.98.4... So, for apps to use my direct internet connnection I did sudo route add default gw 10.100.98.4 But, I cant use tun0 now. I know this because curl --interface tun0 google.com doesnt give me anything.. How do I go about using both connections simultaneously. How can I achieve that? ROUTING TABLES:- Without VPN running:- Destination Gateway Genmask Flags Metric Ref Use Iface 10.100.98.0 * 255.255.255.0 U 1 0 0 eth0 default 10.100.98.4 0.0.0.0 UG 0 0 0 eth0 With VPN:- Destination Gateway Genmask Flags Metric Ref Use Iface 10.10.0.1 10.10.54.230 255.255.255.255 UGH 0 0 0 tun0 10.10.54.230 * 255.255.255.255 UH 0 0 0 tun0 free-vpn.torvpn 10.100.98.4 255.255.255.255 UGH 0 0 0 eth0 10.100.98.0 * 255.255.255.0 U 1 0 0 eth0 default 10.10.54.230 0.0.0.0 UG 0 0 0 tun0 After the route command- Destination Gateway Genmask Flags Metric Ref Use Iface 10.10.0.1 10.10.54.230 255.255.255.255 UGH 0 0 0 tun0 10.10.54.230 * 255.255.255.255 UH 0 0 0 tun0 free-vpn.torvpn 10.100.98.4 255.255.255.255 UGH 0 0 0 eth0 10.100.98.0 * 255.255.255.0 U 1 0 0 eth0 default 10.100.98.4 0.0.0.0 UG 0 0 0 eth0 default 10.10.54.230 0.0.0.0 UG 0 0 0 tun0

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  • Ubuntu 12.04 as router with 2 nic

    - by Blue Gene
    I have been trying this setup for weeks and still can not make this to work... ubuntu 12.04 64 bit with 2 nic nic1: eth0:192.168.2.33 -static ip with internet access (connected to modem) nic2: eth1:192.168.1.2 -static ip connected to LAN. enabled ip_forward on ubuntu box net_ip_forward = 1 on the LAN with ip address 192.168.1.5 specified gateway as 192.168.1.2 and able to ping gateway.But can not ping public address.What am i missing? on router box: route -n Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.2.1 0.0.0.0 UG 100 0 0 eth0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 tried ip route add 192.168.2.0/24 via 192.168.1.2 dev eth0 route -n on LAN 192.168.1.5 Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.2 0.0.0.0 UG 100 0 0 eth0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.2.0 192.168.1.2 255.255.255.0 UG 0 0 0 eth0 iptables default policy is to accept all. tracepath 8.8.8.8 from LAN 1: 192.168.1.5 0.060ms pmtu 1500 1: 192.168.1.2 3.367ms 1: 192.168.1.2 3.764ms 2: no reply Is there a way to make this work,other than NAT ing.

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  • Route outbound connections from local network through VPN

    - by Sharkos
    I have a server A running OpenVPN, an OpenVPN client B (a rooted Android phone as it happens) and a third party C (a laptop, tablet etc.) tethered to B. B can use the VPN to access the internet via A; C can use the tethered connection WITHOUT the VPN to access the internet via B. However, with the VPN on B active, I cannot load information from the internet on C. A appears to log similar traffic inbound and outbound when B or C attempt to load a webpage, say, but the VPN on device B reports no inbound traffic when the connection originated from C. Where should I look for packets being dropped, and what ip rules should I use to make sure they are passed back through the VPN and into the local network B <- C? (I'll obviously post whatever further information is needed.) Further info Without VPN: root@android:/ # ip route default via [B's External Gateway] dev rmnet0 [B's External Subnet] dev rmnet0 proto kernel scope link src [B's External IP] [B's External Gateway] dev rmnet0 scope link 192.168.43.0/24 dev wlan0 proto kernel scope link src 192.168.43.1 With VPN: root@android:/ # ip route 0.0.0.0/1 dev tun0 scope link default via [B's External Gateway] dev rmnet0 [B's External Subnet] dev rmnet0 proto kernel scope link src [B's External IP] [B's External Gateway] dev rmnet0 scope link [External address of A] dev tun0 scope link 128.0.0.0/1 dev tun0 scope link 172.16.0.0/24 dev tun0 scope link 172.16.0.8/30 dev tun0 proto kernel scope link src 172.16.0.10 192.168.43.0/24 dev wlan0 proto kernel scope link src 192.168.43.1 192.168.168.0/24 dev tun0 scope link

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  • Create a wifi hotspot in a place where an authentication is required [closed]

    - by SoftTimur
    I live in a residence where Internet is provided via cable. Once the computer is connected to the cable, launching a browser will trigger an authentication, I have a username and password to enter, then the internet will be connected. With a gateway (e.g. Wireless Cable Voice Gateway Model CBVG834G) and 2 cables, two PCs can connect to the Internet with my account at the same time. Now the question is, I don't like the cable, and would like to create a wifi hotspot. It seems realizable with the same gateway. According to the instruction on page 2-4 of the manual: Enter http://192.168.0.1 in the address field of your Internet browser. Log in to the gateway with either of the default user names, MSO or admin... However, trying to open 192.168.0.1 gives me an error on the browser. Does anyone know what happened? Is it due to the authentication required by my residence? Is there any other way to build a hotspot of wifi? PS: My system is MAC OS

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  • Linux: Three default gateways?

    - by Daniel
    My server has three default gateways, how can that be? Shouldn't there be one default gw? I have three NICs, each attached to a separate subnet: server1:~# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.5.0.0 * 255.255.255.224 U 0 0 0 eth3 localnet * 255.255.255.224 U 0 0 0 eth0 192.168.8.0 * 255.255.255.192 U 0 0 0 eth1 default 10.5.0.1 0.0.0.0 UG 0 0 0 eth3 default 192.168.8.1 0.0.0.0 UG 0 0 0 eth1 default 10.1.0.1 0.0.0.0 UG 0 0 0 eth0 Sometimes, I can't ping a host on the Internet, sometimes I can. What I want is traffic to the Internet (0.0.0.0) routed through a specific NIC. Can I just add a route for 0.0.0.0 and default gw to one of the eth0-3 interfaces? Will it break my connection? I'm using Debian, here is my /etc/network/interfaces: # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface allow-hotplug eth0 iface eth0 inet static address 10.1.0.4 netmask 255.255.255.224 network 10.1.0.0 broadcast 10.1.0.31 gateway 10.1.0.1 allow-hotplug eth1 iface eth1 inet static address 192.168.8.4 netmask 255.255.255.192 network 192.168.8.0 broadcast 192.168.8.63 gateway 192.168.8.1 allow-hotplug eth3 iface eth3 inet static address 10.5.0.4 netmask 255.255.255.224 network 10.5.0.0 broadcast 10.5.0.31 gateway 10.5.0.1

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  • What I need to know if I want credit card payments in an ecommerce website

    - by Andriane
    I live in Costa Rica (central america). I want to build an ecommerce website with credit card payments, I know Asp.NET and SQL Server 2008. I know paypal and the express checkout solution, but many people (and clients) here doesnt like it or dont use it. Paypal and Authorize.Net dont support countries of Latin America, so if you can tell me one company who can or what can I do to setup my shopping cart, im studing right now security and how to implement SSL certificates and encrypt sensible data and PCI compliance in some way. I need this for my own framework in ASP.NET and provide ecommerce solutions here in my country.

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  • Google analytics goal funnel visualization issues

    - by Lauren
    This is the goal funnel for checkout. Does anyone have any idea where the "/" is coming from? The cart page is at site: game on glove dot com (I don't want this stackoverflow page being indexed in google particularly well). Go to the site, click on the order button, make your selection, and click the button to enter the cart (it resolves to /Cart and /Shop-Cart). I believe I used the regular expression matching to match "cart". So why the "/" (I don't know what is causing the home page to reload when users are on the Cart page within a Colorbox lightbox where the only way back to home or "/" is to hit the exit button in the top right of the lightbox)? Here's my one guess for the former question but it doesn't seem likely: See the "check out with paypal" button? If you hovered over it, it does default to the home page which is what might be the "/"... but it really redirects the user to the paypal.com page so it shouldn't also load the home page.

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  • Best accounting software for freelance/contractor programmer? [closed]

    - by user1352034
    I know this isn't exactly a programming question but I am hoping to find some programmers who freelance or do contractor work in the US. I have started to work on side jobs and have been billing my clients using Paypal. I then would store those records in a Google excel doc but realize this will get out of hand as time goes on and am looking for a good solution. I am no accountant so I am not sure of everything I would need but I am guessing basic invoicing, expenses, reporting, integration with paypal, etc.. Any contractors or freelancers in here could recommend what they use? I have researched a few but would like to hear what other people are using and how it is working out for them. Thanks for your time!

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  • Google Analytics: Why does "/" appear in goal funnel visualization?

    - by Lauren
    This is the goal funnel for checkout. Does anyone have any idea where the "/" is coming from? The cart page is at site: game on glove dot com (I don't want this stackoverflow page being indexed in google particularly well). Go to the site, click on the order button, make your selection, and click the button to enter the cart (it resolves to /Cart and /Shop-Cart). I believe I used the regular expression matching to match "cart". So why the "/" (I don't know what is causing the home page to reload when users are on the Cart page within a Colorbox lightbox where the only way back to home or "/" is to hit the exit button in the top right of the lightbox)? Here's my one guess for the former question but it doesn't seem likely: See the "check out with paypal" button? If you hovered over it, it does default to the home page which is what might be the "/"... but it really redirects the user to the paypal.com page so it shouldn't also load the home page.

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  • DD-WRT RIP2 Router mode configuration

    - by Eduardo
    Can anybody tell me why my wireless router only redirects traffic to ADSL modem when it is on Gateway mode? These are the configurations when it is on RIP2 Router mode: ADSL Modem: ------------ LAN IP: 10.1.1.1 Subnet mask: 255.0.0.0 RIP v2 enabled in both directions Route: destination: 192.168.1.0 Subnet mask: 255.255.255.0 Gateway: 10.1.1.2 Wireless Router (DD-WRT) ------------------------ WAN IP: 10.1.1.2 WAN Subnet mask: 255.0.0.0 LAN IP: 192.168.1.1 LAN Subnet mask: 255.255.255.0 Operating mode: RIP2 Router Static Route: Destination LAN NET: 10.0.0.0 Subnet Mask: 255.0.0.0 Gateway: 10.1.1.1 Interface: LAN & WLAN

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  • using RHEL5 as a router

    - by gopikrishna7779
    Dear Sir, I am planning to use a RHEL5 installed computer as a internet connection sharing device. I mean I want to share the internet connection through it I have installed 2 Lan cards in it eth0 and eth1 eth0 Internet eth1 LAN eth0 configuration as follows ; Ipaddress : 115.252.64.187 Subnet : 255.255.255.240 Gateway : 115.252.64.177 I wrote the following entries in Vim /etc/resolv.conf nameserver 202.138.96.2 (preferred DNS Server) nameserver 202.138.103.2 (secondary DNS server) :q! then eth1 ipaddress : 192.168.1.1 subnet : 255.255.255.0 gateway : 192.168.1.1 (I am confused which gateway I need to use in the above scenario) I am unable to ping to my lan and I am able to connect to the Internet. Please let me know the sollution for this. Thanks in advance. regards, G.Gopi Krishna

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  • IPcop Multiple WAN Subnets

    - by obsidian
    We have an IPcop firewall and have had no issues with it. We've had a block of 10 IP addresses from our colocation provider and have been able port forward from those to internal servers as needed. We've recently needed additional IPs and the colocation provider issued an additional block of 10. The problem: The 10 new IP addresses issued are in a different subnet with a different gateway. The question: How do I add the new gateway into IPcop? How do I make it so that any outbound traffic in response to any inbound traffic from a new IP go back out through the new gateway? I attempted to add a static route via the console using the following command: route add -net x.x.x.x gw x.x.x.x netmask 255.255.255.192 I also added the new IPs as aliases and setup port forwarding as I've done with the existing IP block. However, when I attempt to access a web server from an external workstation, it just times out. Thanks in advance for your assistance.

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  • Routing based on source address in Windows Server 2008 R2

    - by rocku
    Hi, I'm implementing a direct routing load balanced solution using Windows Server 2008 R2 as back-end server. I've configured a loopback interface with the external IP address. This works, I am receiving packets with the external IP address and respond to them appropriately. However our infrastructure requires that traffic which is being load-balanced should go through a different gateway then any other traffic originating from the server, ie. updates etc. So basicly I need to route packets based on source address (external IP) to another gateway. The built-in Windows 'route' command allows routing based on destination address only. I've tried setting a default gateway on the loopback interface and mangled with weak/strong host send/receive parameters on the interfaces, however this didn't work. Is there any way around this, possibly using third party tools?

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  • Using DNS in iproute2

    - by Oliver
    In my setup I can redirect the default gateway based on the source address. Let's say a user is connected through tun0 (10.2.0.0/16) is redirect to another vpn. That works fine! ip rule add from 10.2.0.10 lookup vpn1 In a second rule I redirect the default gateway to another gateway if the user access a certain ip adress: ip rule add from 10.2.0.10 to 94.142.154.71 lookup vpn2 If I access the page on 94.142.154.71 (myip.is) the user is correctly routed and I can see the ip of the second vpn. On any other pages the ip address of vpn1 is shown. But how do I tell iproute2 that all request at e. g. google.com should be redirected through vpn2?

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  • OpenVPN on ec2 bridged mode connects but no Ping, DNS or forwarding

    - by michael
    I am trying to use OpenVPN to access the internet over a secure connection. I have openVPN configured and running on Amazon EC2 in bridge mode with client certs. I can successfully connect from the client, but I cannot get access to the internet or ping anything from the client I checked the following and everything seems to shows a successful connection between the vpn client/server and UDP traffic on 1194 [server] sudo tcpdump -i eth0 udp port 1194 (shows UDP traffic after establishing connection) [server] sudo iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT all -- anywhere anywhere ACCEPT all -- anywhere anywhere Chain FORWARD (policy ACCEPT) target prot opt source destination ACCEPT all -- anywhere anywhere Chain OUTPUT (policy ACCEPT) target prot opt source destination [server] sudo iptables -L -t nat Chain PREROUTING (policy ACCEPT) target prot opt source destination Chain POSTROUTING (policy ACCEPT) target prot opt source destination MASQUERADE all -- ip-W-X-Y-0.us-west-1.compute.internal/24 anywhere Chain OUTPUT (policy ACCEPT) target prot opt source destination [server] openvpn.log Wed Oct 19 03:11:26 2011 localhost/a.b.c.d:61905 [localhost] Inactivity timeout (--ping-restart), restarting Wed Oct 19 03:11:26 2011 localhost/a.b.c.d:61905 SIGUSR1[soft,ping-restart] received, client-instance restarting Wed Oct 19 03:41:31 2011 MULTI: multi_create_instance called Wed Oct 19 03:41:31 2011 a.b.c.d:57889 Re-using SSL/TLS context Wed Oct 19 03:41:31 2011 a.b.c.d:57889 LZO compression initialized Wed Oct 19 03:41:31 2011 a.b.c.d:57889 Control Channel MTU parms [ L:1574 D:166 EF:66 EB:0 ET:0 EL:0 ] Wed Oct 19 03:41:31 2011 a.b.c.d:57889 Data Channel MTU parms [ L:1574 D:1450 EF:42 EB:135 ET:32 EL:0 AF:3/1 ] Wed Oct 19 03:41:31 2011 a.b.c.d:57889 Local Options hash (VER=V4): '360696c5' Wed Oct 19 03:41:31 2011 a.b.c.d:57889 Expected Remote Options hash (VER=V4): '13a273ba' Wed Oct 19 03:41:31 2011 a.b.c.d:57889 TLS: Initial packet from [AF_INET]a.b.c.d:57889, sid=dd886604 ab6ebb38 Wed Oct 19 03:41:35 2011 a.b.c.d:57889 VERIFY OK: depth=1, /C=US/ST=CA/L=SanFrancisco/O=EXAMPLE/CN=EXAMPLE_CA/[email protected] Wed Oct 19 03:41:35 2011 a.b.c.d:57889 VERIFY OK: depth=0, /C=US/ST=CA/L=SanFrancisco/O=EXAMPLE/CN=localhost/[email protected] Wed Oct 19 03:41:37 2011 a.b.c.d:57889 Data Channel Encrypt: Cipher 'BF-CBC' initialized with 128 bit key Wed Oct 19 03:41:37 2011 a.b.c.d:57889 Data Channel Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Wed Oct 19 03:41:37 2011 a.b.c.d:57889 Data Channel Decrypt: Cipher 'BF-CBC' initialized with 128 bit key Wed Oct 19 03:41:37 2011 a.b.c.d:57889 Data Channel Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Wed Oct 19 03:41:37 2011 a.b.c.d:57889 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES256-SHA, 1024 bit RSA Wed Oct 19 03:41:37 2011 a.b.c.d:57889 [localhost] Peer Connection Initiated with [AF_INET]a.b.c.d:57889 Wed Oct 19 03:41:39 2011 localhost/a.b.c.d:57889 PUSH: Received control message: 'PUSH_REQUEST' Wed Oct 19 03:41:39 2011 localhost/a.b.c.d:57889 SENT CONTROL [localhost]: 'PUSH_REPLY,redirect-gateway def1 bypass-dhcp,route-gateway W.X.Y.Z,ping 10,ping-restart 120,ifconfig W.X.Y.Z 255.255.255.0' (status=1) Wed Oct 19 03:41:40 2011 localhost/a.b.c.d:57889 MULTI: Learn: (IPV6) -> localhost/a.b.c.d:57889 [client] tracert google.com Tracing route to google.com [74.125.71.104] over a maximum of 30 hops: 1 347 ms 349 ms 348 ms PC [w.X.Y.Z] 2 * * * Request timed out. I can also successfully ping the server IP address from the client, and ping google.com from an SSH shell on the server. What am I doing wrong? Here is my config (Note: W.X.Y.Z == amazon EC2 private ipaddress) bridge config on br0 ifconfig eth0 0.0.0.0 promisc up brctl addbr br0 brctl addif br0 eth0 ifconfig br0 W.X.Y.X netmask 255.255.255.0 broadcast W.X.Y.255 up route add default gw W.X.Y.1 br0 /etc/openvpn/server.conf (from https://help.ubuntu.com/10.04/serverguide/C/openvpn.html) local W.X.Y.Z dev tap0 up "/etc/openvpn/up.sh br0" down "/etc/openvpn/down.sh br0" ;server W.X.Y.0 255.255.255.0 server-bridge W.X.Y.Z 255.255.255.0 W.X.Y.105 W.X.Y.200 ;push "route W.X.Y.0 255.255.255.0" push "redirect-gateway def1 bypass-dhcp" push "dhcp-option DNS 208.67.222.222" push "dhcp-option DNS 208.67.220.220" tls-auth ta.key 0 # This file is secret user nobody group nogroup log-append openvpn.log iptables config sudo iptables -A INPUT -i tap0 -j ACCEPT sudo iptables -A INPUT -i br0 -j ACCEPT sudo iptables -A FORWARD -i br0 -j ACCEPT sudo iptables -t nat -A POSTROUTING -s W.X.Y.0/24 -o eth0 -j MASQUERADE echo 1 > /proc/sys/net/ipv4/ip_forward Routing Tables added route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface W.X.Y.0 0.0.0.0 255.255.255.0 U 0 0 0 br0 0.0.0.0 W.X.Y.1 0.0.0.0 UG 0 0 0 br0 C:>route print =========================================================================== Interface List 32...00 ff ac d6 f7 04 ......TAP-Win32 Adapter V9 15...00 14 d1 e9 57 49 ......Microsoft Virtual WiFi Miniport Adapter #2 14...00 14 d1 e9 57 49 ......Realtek RTL8191SU Wireless LAN 802.11n USB 2.0 Net work Adapter 10...00 1f d0 50 1b ca ......Realtek PCIe GBE Family Controller 1...........................Software Loopback Interface 1 11...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface 16...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter 17...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2 18...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #3 36...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #5 =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.1.2.1 10.1.2.201 25 10.1.2.0 255.255.255.0 On-link 10.1.2.201 281 10.1.2.201 255.255.255.255 On-link 10.1.2.201 281 10.1.2.255 255.255.255.255 On-link 10.1.2.201 281 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 10.1.2.201 281 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 10.1.2.201 281 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 0.0.0.0 0.0.0.0 10.1.2.1 Default =========================================================================== C:>tracert google.com Tracing route to google.com [74.125.71.147] over a maximum of 30 hops: 1 344 ms 345 ms 343 ms PC [W.X.Y.221] 2 * * * Request timed out.

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  • PowerConnect 2848 , vlan configuration with AP

    - by Francesco
    I need to configure two vlan on an AP connected with a Dell PowerConnect 2848. The first one is up and running (let's say vlan x) , the second one is a completely different network (vlan y) , provided by a Gateway-DHCP wich i have no access, directely Patched (via patch panel) at a secondo AP device. So i cannot just plug this Gateway device on my switch without tagging traffic before, for DHCP collion . I have to solve this problem. I was thinking about tagging the traffic at the port wich I will connect the gateway device with vlan y and then set as trunk (vlanx+y) the AP port. In this way I hope to limit the vlan y traffic ONLY for the ports I selected avoiding the spread of unwanted dhcp calls. But all other ports are Unassigned , so I am not sure they won't forward dhcp (vlan y) traffic. I cannot change the Unassigned state for the vlan x ports cause vlanx is native.

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