OpenVPN

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  OpenVPN Documentation
  • cmb

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  Configuring pfSense as OpenVPN client
  • Mascot

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  I created "RFC1918" alias and specified it as a Source in Firewall / NAT / Ooutbound: Alas, internet through OpenVPN still doesn't work.
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  Remote access connection issues
  • bwanajag

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  Slow Upload OpenVPN
  • Mat1987

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  Ok so i think i have found the issue but need some help fixing it I think it maybe a MTU size issue when copying over smb. I have tried some options fragment 1400 mssfix 1400 The server seems to accept it but when i add to client and click connect it errors saying failed to connect to management service. Anyone got any ideas?
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  Multi-WAN/Gateway Group and OpenVPN
  • timwilkinson

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  pfsense-to-pfsense tunnel up? No traffic?
  • TheWaterbug

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  Thanks!
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  openvpn packets getting returned over WAN gateway and not VPN gateway
  • sesipod

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  Check Don't Pull Routes in the VPN client.
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  OpenVPN Radius Client not showing up in Client Export
  • MMTadmin

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  Doh! Missed that step. Been a while since I setup a new user. Thanks for the answer.
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  PIA used on a dedicated interface setup for that purpose
  • newbuilder

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  OpenVPN - can't ping Windows 10
  openvpn windows 10 access resource • • agustintommasi

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  ...this is what I already told you 2 days ago. -Rico
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  Multiple VPNs talking to each other
  • dlogan

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  In some scenarios that's necessary for handle the routing with multiple VPNs. Just assign an interface to the VPN instance and enable it. Otherwise check the routes on site B and C and use traceroute to find out where the packets go to.
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  quick road warrior question
  • xman111

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  Normally, when I use my iPhone and the VPN to connect to my work (have a pfSense over there) the App I use to connect to my DVR on the LAN, it uses the low resolution video stream when it shows all the videos. When I focus one stream, I could switch to high res. Every stream has a 1 Mbit/sec stream at least when my cameras are in colour mode. My VDSL upstream from works is hardly a 2 Megabit/sec connection, so yes, I could overload that one very easily..
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  Common name containing underscore
  • Gil

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  Yes Pippin, I think that is best practice - and I do that. You should also ensure that you Enforce CN / User Matching when using CSO's Otherwise; a user with a valid cert can circumvent the intended CSO routing / firewalling if he knows another user's name & pwd. (Or a mindless Sys Admin can get himself confused )
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  OpenVPN WiFi Client Internet Access
  • kawakawa

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  @viragomann Hey thanks. Its working now thank you so much for your help! Been trying to resolve this for ages!! Kawa
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  Issues with VPN connection not staying up
  • kendalja

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  @bcruze @bcruze said in Issues with VPN connection not staying up: do you have IP6 enabled on your pfsense router? I will have to check on this when I get home. I am currently "working" lol
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  OPENVPN SITE-TO-SITE Tunel does not connect
  • PedroBelliato

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  packet HMAC authentication failed is very often just down to wrong TLS Configuration or wrong key / key direction. Going just back to some old Version like 2.3.5 is a very bad idea. -Rico
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  Tutorial: Configuring pfSense as VPN client to Private Internet Access
  • mpboden

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  This tutorial still works however you need to make the following changes. Change port number from 1194 to 1198 Change encryption from BF-CBC (128-bit) to aes-128-cbc
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  VPN Setup
  • christ0r

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  @rico said in VPN Setup: You can go with Static Key if you don't want to use Certificates. Using Certificates in pfSense with OpenVPN is no big deal tho, there are tons of tutorials around. https://www.netgate.com/docs/pfsense/vpn/openvpn/openvpn-remote-access-server.html https://www.netgate.com/docs/pfsense/vpn/openvpn/configuring-a-site-to-site-pki-ssl-openvpn-instance.html https://www.netgate.com/docs/pfsense/vpn/openvpn/configuring-a-site-to-site-static-key-openvpn-instance.html -Rico Followed the first link/guide you posted and it worked first time! Thanks Chris
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  Site-to-Site OpenVPN Connectivity Problem
  • JamesVA

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  I kind of gave up on the openvpn and went with IPsec... seemed to work as expected on the first try.
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  OpenVPN SERVER - HA/CARP *AND* Multi-WAN
  • talaverde

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  After this, I'm going to move this to a different thread. The topic has moved to remote/client performance. I did a google search. There are some other users that have had some success with various config settings. tun-mtu 9000 #ifndef WIN32 o->rcvbuf = 65536; o->sndbuf = 65536; #endif -or- sndbuf 0 rcvbuf 0 Along with some other settings that I didn't find helpful. I need a true remote setup where I'm on an alien WAN, at a distance. Best I can do at the moment is test on my AT&T WiFi Hotspot, which is horrible in itself. (Though most hotel WiFi is just as horrible, so...). Anyway, unless anyone has anything to add, I'll close this thread down. If I find out anything new/interesting, I'll start a new thread. Thanks for listening.
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  Redirecting all client web traffic via VPN - only IP addresses work but no hostnames
  • mjeltsch

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  Glad you figured it out, and thanks for posting detailed information about how.
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  PFSense + OpenVpn: limit the visibility to a single ip
  • Symon_

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  Isolate client OpenVPN
  • Getbys

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  @rico Thanks !
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  Openvpn connects on ios, but no traffic
  • totalimpact

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  Here is the client config if that matters, keys trimmed: persist-tun persist-key cipher AES-128-CBC ncp-disable auth SHA1 tls-client client remote home.mydomain.org 1194 udp verify-x509-name "router.mydomain.org" name remote-cert-tls server <ca> -----BEGIN CERTIFICATE----- XszzwPt7fNRD941VJl9qzkJejkrmPQMtIOzX3ackXVo7s6UST4W2m90RniwLqwxF hWvErkgY -----END CERTIFICATE----- </ca> <cert> -----BEGIN CERTIFICATE----- RawKjfAKTQUEdvs3ahm7jvhs+VotX1SUovzELc006fYL0c51EiogaCCC5Qib6y6/ IpI0BsZO9Bgdvpely5dXLTTy -----END CERTIFICATE----- </cert> <key> -----BEGIN PRIVATE KEY----- ZnrYo23MD95TUKsSuHAePq+EaLCLucduJWpQPatGEILzwV5sfvsf/ugWlmmSxpOn iFWQPFMvngdZ7qS2HmfC49JU -----END PRIVATE KEY----- </key> <tls-auth> # # 2048 bit OpenVPN static key # -----BEGIN OpenVPN Static key V1----- be7c59baf933dbc896ea816d5098e446 -----END OpenVPN Static key V1----- </tls-auth> key-direction 1
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  Accessing Client LAN Devices - OpenVPN not implemented on Client Site Gateway
  • eccles

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  @viragomann Thanks for the further response. The 4G Router used at the Client site is either a TL-MR6400 or an Archer MR400. Those routers only have only one LAN port which is connected to an internal 4-port Ethernet Switch. Unfortunately, given that scenario, I can't see a way to connect the VPN Client machine on to a separate subnet at the router. Given the number of potential Client sites the cost is significant so changing the router is not really an option.
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  OpenVPN client issue
  • aslanov

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  OpenVPN has no user licenses. If it doesn't work, it's almost certainly in your configuration. Typically issues with multiple clients end up being a problem with the certificates/credentials being used (everyone needs unique certs and usernames), or the tunnel network (it should be x.x.x.0/24), or possibly incorrect firewall rules. Post more detail about your configuration and we might be able to help narrow it down. Also check the OpenVPN log for errors, and check the clients to see what addresses they claim to be using at the time.
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  [SOLVED] How to use VIP's for OpenVPN
  • Glacier

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  Thanks alot for all of the answers. I'll try out the portforwarding thing, aswell as tls-crypt and stunnel. @rico said in How to use VIP's for OpenVPN: Well you don't have unlimited VIPs to cycle them over and over again right? No, but in the past the banned ip's have been unbanned after a month or so. Best Regards Esben
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  Port forward to other site over OpenVPN Client
  • johntjampens

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  @derelict I got it working. Idd the Interface needed to have the traffic defined on which the gateway was defined. Thx for the response.
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  OpenVPN (Not quite so) Newb anymore Part 2
  • magu2k

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  Then pcap a hop at a time until you see where the traffic is stopping I guess.
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  unsupported certificate purpose
  • erres

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  @peter808 said in unsupported certificate purpose: When did that change? Although I usually try to read the changelogs completely, I do not remember having read about that. That would be a change in OpenVPN itself, not pfSense. Most likely when that changed to OpenVPN 2.4 (which by coincidence was new in pfSense 2.4.0 and later)
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  kill openvpn_client after n seconds
  • alivdel

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  @alivdel said in kill openvpn_client after n seconds: for my Information can you tell me please whats the problem to put a file in rc.d directory? None If you know how to write startup (stop) scripts for FreeBSD (pfSense), then it should work just fine.
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  OPENVPN INTERSITE MULTI GATEWAY
  • max33

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  Thanks you very much you save my day ;) I worked on it for few hours now and the solution was in fact very simple
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  Everything but pfsense web gui works when connected via OVPN
  • NetNoob

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  Note from the pfSense Book: Not all clients support tap mode, using tun is more stable and more widely supported. Specifically, clients such as those found on Android and iOS only support tun mode in the Apps most people can use. Some Android and iOS OpenVPN apps that require rooting or jailbreaking a device do support tap, but the consequences of doing so can be a bit too high for most users. Can you see any activity in your Firewall Logs when trying to access the pfSense via WebIF or SSH? I would follow the guide again and try exactly as described with a very basic setup: https://www.netgate.com/docs/pfsense/book/openvpn/bridged-openvpn-connections.html e.g. don't push any routes, don't use redirect gateway and so on, just basic. Disable the Rule in your OpenVPN tab to make your Interface Rule active (which should not make any difference for this problem tho). -Rico
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  Multiple domain search for Windows clients
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  under the OpenVPN Server configuration section, the pfSense GUI allows you to specify a "DNS default domain name" value to be used by the OpenVPN clients, so that they will resolve hostnames appending that domain name as a primary DNS suffix. On the GUI you can specify additional DNS domain names as well. The "DNS default domain name" field on the GUI translates to the DHCP option 15 and will appear under ISC dhcpd's config as "option domain-name", and the remaining DNS domain names specified on the GUI translate to the DHCP option 119 and will appear under ISC dhcpd's config as "option domain-search". The DHCP client of MS Windows (at least up to Windows 7, included) do not implement the DHCP option 119, so they'll ignore any DNS domain name specified on the pfSense GUI other than the one specified on the "DNS default domain name" field. It's a limitation of the Windows DHCP client. That OS itself has no such limitation, because you can specify multiple DNS search suffixes on Windows clients joined to an AD using GPO's. Take a look at this link, https://blogs.msmvps.com/acefekay/2011/02/12/configuring-dns-search-suffixes/ Regards
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  Traffic logging site-to-site
  • robert.franz

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  Multiple OpenVPN clients leaks DNS between them
  • no_jah

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  @thenarc Ok, I will try that. Thanks!
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  OpenVPN Client can not traverse site 2 site vpn
  • gareigle

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  @gareigle said in OpenVPN Client can not traverse site 2 site vpn: I'v tried different fw rules, and the redirect options on the vpn and no changes. I don't think it's a rules issue. I'd say routing. Since this is site to site, the firewall has to route the traffic from it's local network to the other end. Devices connected to the network should have a default route pointing to the pfSense router/firewall. Each pfSense router needs to know a route to the local network at the other end. Do you have that configured. Please note, I've only configured pfSense for a "road warrier" mode, where it runs on a computer to connect back to my home network, not site to site, so I can't advise based on my config.
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  [Solved] Can't ping OpenVPN gateway server from LAN
  • fortunecookie101

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  I found the issue, it turns out that the OpenVPN server didn't know where to reply to the LAN traffic coming in so I had to add the LAN's route to the OpenVPN server.
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  Route OpenVPN Client to Other Client
  • MeCJay12

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  ExpressVPN gateway monitoring
  • vacquah

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