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Found 3 results

  1. Hello everyone, so today I stumbled across this weird issue: Running Debian 10.7 with qBittorrent 4.1.5 and OpenVPN 2.4.7, both from Debian Repos. My QBittorrent is configured to bind to the tun0 interface (using OpenVPN).As soon as QBittorrent establishes any connection the whole tun0 interface (not just qBittorrent traffic) is limited to around 10Mbit/s in Download and stays that way even after exiting qBittorrent.After restarting the OpenVPN connection I have full speed on tun0 again until I start qBittorrent again and it establishes any connection. Took me a while to figure this out and I have no idea what's causing this. How to reproduce: Do a Webbrowser Speedtest over tun0 while qBittorrent isn't running -> full speed. Start qBittorrent an wait for it to establish any connection. Do a Webbrowser Speedtest over tun0 again -> Limited to around 10Mbit/s. Any idea what's the problem here? How could qBittorrent throttle the complete interface just by running in the background? Thanks!
  2. hey guys, with ufw enabled, vpn connects but wget and web pages don't resolve: $uname -a Linux 4.4.0-38-generic #57-Ubuntu SMP Tue Sep 6 2016 x86_64 x86_64 x86_64 GNU/Linux $ufw reset $ufw allow out on wlp1s0 to 213.152.161.180 port 443 proto udp $ufw allow out on tun0 $ufw status verbose Status: active Logging: on (low) Default: deny (incoming), deny (outgoing), disabled (routed) New profiles: skip To Action From -- ------ ---- 213.152.161.180 443/udp ALLOW OUT Anywhere on wlp1s0 # NL-Alblasserdam_Alchiba_UDP-443.ovpn Anywhere ALLOW OUT Anywhere on tun0 # tun0 $openvpn --config ~/VPN/NL-Alblasserdam_Alchiba_UDP-443.ovpn Mon Oct 3 2016 OpenVPN 2.3.10 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [MH] [IPv6] built on Feb 2 2016 Mon Oct 3 2016 library versions: OpenSSL 1.0.2g 1 Mar 2016, LZO 2.08 Mon Oct 3 2016 Control Channel Authentication: tls-auth using INLINE static key file Mon Oct 3 2016 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Mon Oct 3 2016 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Mon Oct 3 2016 Socket Buffers: R=[212992->212992] S=[212992->212992] Mon Oct 3 2016 UDPv4 link local: [undef] Mon Oct 3 2016 UDPv4 link remote: [AF_INET]213.152.161.180:443 Mon Oct 3 2016 TLS: Initial packet from [AF_INET]213.152.161.180:443, sid=b2d0c912 4505e529 Mon Oct 3 2016 VERIFY OK: depth=1, C=IT, ST=IT, L=Perugia, O=airvpn.org, CN=airvpn.org CA, emailAddress=info@airvpn.org Mon Oct 3 2016 Validating certificate key usage Mon Oct 3 2016 ++ Certificate has key usage 00a0, expects 00a0 Mon Oct 3 2016 VERIFY KU OK Mon Oct 3 2016 Validating certificate extended key usage Mon Oct 3 2016 ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication Mon Oct 3 2016 VERIFY EKU OK Mon Oct 3 2016 VERIFY OK: depth=0, C=IT, ST=IT, L=Perugia, O=airvpn.org, CN=server, emailAddress=info@airvpn.org Mon Oct 3 2016 Data Channel Encrypt: Cipher 'AES-256-CBC' initialized with 256 bit key Mon Oct 3 2016 Data Channel Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Mon Oct 3 2016 Data Channel Decrypt: Cipher 'AES-256-CBC' initialized with 256 bit key Mon Oct 3 2016 Data Channel Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Mon Oct 3 2016 Control Channel: TLSv1.2, cipher TLSv1/SSLv3 DHE-RSA-AES256-GCM-SHA384, 4096 bit RSA Mon Oct 3 2016 [server] Peer Connection Initiated with [AF_INET]213.152.161.180:443 Mon Oct 3 2016 SENT CONTROL [server]: 'PUSH_REQUEST' (status=1) Mon Oct 3 2016 PUSH: Received control message: 'PUSH_REPLY,redirect-gateway def1 bypass-dhcp,dhcp-option DNS 10.4.0.1,comp-lzo no,route-gateway 10.4.0.1,topology subnet,ping 10,ping-restart 60,ifconfig 10.4.48.174 255.255.0.0' Mon Oct 3 2016 OPTIONS IMPORT: timers and/or timeouts modified Mon Oct 3 2016 OPTIONS IMPORT: LZO parms modified Mon Oct 3 2016 OPTIONS IMPORT: --ifconfig/up options modified Mon Oct 3 2016 OPTIONS IMPORT: route options modified Mon Oct 3 2016 OPTIONS IMPORT: route-related options modified Mon Oct 3 2016 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options modified Mon Oct 3 2016 ROUTE_GATEWAY 10.42.0.1/255.255.255.0 IFACE=wlp1s0 HWADDR=xx:xx:xx:xx:xx:xx Mon Oct 3 2016 TUN/TAP device tun0 opened Mon Oct 3 2016 TUN/TAP TX queue length set to 100 Mon Oct 3 2016 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0 Mon Oct 3 2016 /sbin/ip link set dev tun0 up mtu 1500 Mon Oct 3 2016 /sbin/ip addr add dev tun0 10.4.48.174/16 broadcast 10.4.255.255 Mon Oct 3 2016 /sbin/ip route add 213.152.161.180/32 via 10.42.0.1 Mon Oct 3 2016 /sbin/ip route add 0.0.0.0/1 via 10.4.0.1 Mon Oct 3 2016 /sbin/ip route add 128.0.0.0/1 via 10.4.0.1 Mon Oct 3 2016 Initialization Sequence Completed $route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 10.4.0.1 128.0.0.0 UG 0 0 0 tun0 0.0.0.0 10.42.0.1 0.0.0.0 UG 600 0 0 wlp1s0 10.4.0.0 0.0.0.0 255.255.0.0 U 0 0 0 tun0 10.42.0.0 0.0.0.0 255.255.255.0 U 600 0 0 wlp1s0 128.0.0.0 10.4.0.1 128.0.0.0 UG 0 0 0 tun0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlp1s0 213.152.161.180 10.42.0.1 255.255.255.255 UGH 0 0 0 wlp1s0 $ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: wlp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether xx:xx:xx:xx:xx:xx brd ff:ff:ff:ff:ff:ff inet 10.42.0.9/24 brd 10.42.0.255 scope global wlp1s0 valid_lft forever preferred_lft forever inet6 <removed>/64 scope link valid_lft forever preferred_lft forever 3: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 100 link/none inet 10.4.48.174/16 brd 10.4.255.255 scope global tun0 valid_lft forever preferred_lft forever inet6 <removed>/64 scope link flags 800 valid_lft forever preferred_lft forever i don't usually touch my iptables directly but here's the output: $iptables -L Chain INPUT (policy DROP) target prot opt source destination ufw-before-logging-input all -- anywhere anywhere ufw-before-input all -- anywhere anywhere ufw-after-input all -- anywhere anywhere ufw-after-logging-input all -- anywhere anywhere ufw-reject-input all -- anywhere anywhere ufw-track-input all -- anywhere anywhere Chain FORWARD (policy DROP) target prot opt source destination ufw-before-logging-forward all -- anywhere anywhere ufw-before-forward all -- anywhere anywhere ufw-after-forward all -- anywhere anywhere ufw-after-logging-forward all -- anywhere anywhere ufw-reject-forward all -- anywhere anywhere ufw-track-forward all -- anywhere anywhere Chain OUTPUT (policy DROP) target prot opt source destination ufw-before-logging-output all -- anywhere anywhere ufw-before-output all -- anywhere anywhere ufw-after-output all -- anywhere anywhere ufw-after-logging-output all -- anywhere anywhere ufw-reject-output all -- anywhere anywhere ufw-track-output all -- anywhere anywhere Chain ufw-after-forward (1 references) target prot opt source destination Chain ufw-after-input (1 references) target prot opt source destination ufw-skip-to-policy-input udp -- anywhere anywhere udp dpt:netbios-ns ufw-skip-to-policy-input udp -- anywhere anywhere udp dpt:netbios-dgm ufw-skip-to-policy-input tcp -- anywhere anywhere tcp dpt:netbios-ssn ufw-skip-to-policy-input tcp -- anywhere anywhere tcp dpt:microsoft-ds ufw-skip-to-policy-input udp -- anywhere anywhere udp dpt:bootps ufw-skip-to-policy-input udp -- anywhere anywhere udp dpt:bootpc ufw-skip-to-policy-input all -- anywhere anywhere ADDRTYPE match dst-type BROADCAST Chain ufw-after-logging-forward (1 references) target prot opt source destination LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] " Chain ufw-after-logging-input (1 references) target prot opt source destination LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] " Chain ufw-after-logging-output (1 references) target prot opt source destination LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] " Chain ufw-after-output (1 references) target prot opt source destination Chain ufw-before-forward (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED ACCEPT icmp -- anywhere anywhere icmp destination-unreachable ACCEPT icmp -- anywhere anywhere icmp source-quench ACCEPT icmp -- anywhere anywhere icmp time-exceeded ACCEPT icmp -- anywhere anywhere icmp parameter-problem ACCEPT icmp -- anywhere anywhere icmp echo-request ufw-user-forward all -- anywhere anywhere Chain ufw-before-input (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED ufw-logging-deny all -- anywhere anywhere ctstate INVALID DROP all -- anywhere anywhere ctstate INVALID ACCEPT icmp -- anywhere anywhere icmp destination-unreachable ACCEPT icmp -- anywhere anywhere icmp source-quench ACCEPT icmp -- anywhere anywhere icmp time-exceeded ACCEPT icmp -- anywhere anywhere icmp parameter-problem ACCEPT icmp -- anywhere anywhere icmp echo-request ACCEPT udp -- anywhere anywhere udp spt:bootps dpt:bootpc ufw-not-local all -- anywhere anywhere ACCEPT udp -- anywhere 224.0.0.251 udp dpt:mdns ACCEPT udp -- anywhere 239.255.255.250 udp dpt:1900 ufw-user-input all -- anywhere anywhere Chain ufw-before-logging-forward (1 references) target prot opt source destination Chain ufw-before-logging-input (1 references) target prot opt source destination Chain ufw-before-logging-output (1 references) target prot opt source destination Chain ufw-before-output (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED ufw-user-output all -- anywhere anywhere Chain ufw-logging-allow (0 references) target prot opt source destination LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW ALLOW] " Chain ufw-logging-deny (2 references) target prot opt source destination RETURN all -- anywhere anywhere ctstate INVALID limit: avg 3/min burst 10 LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] " Chain ufw-not-local (1 references) target prot opt source destination RETURN all -- anywhere anywhere ADDRTYPE match dst-type LOCAL RETURN all -- anywhere anywhere ADDRTYPE match dst-type MULTICAST RETURN all -- anywhere anywhere ADDRTYPE match dst-type BROADCAST ufw-logging-deny all -- anywhere anywhere limit: avg 3/min burst 10 DROP all -- anywhere anywhere Chain ufw-reject-forward (1 references) target prot opt source destination Chain ufw-reject-input (1 references) target prot opt source destination Chain ufw-reject-output (1 references) target prot opt source destination Chain ufw-skip-to-policy-forward (0 references) target prot opt source destination DROP all -- anywhere anywhere Chain ufw-skip-to-policy-input (7 references) target prot opt source destination DROP all -- anywhere anywhere Chain ufw-skip-to-policy-output (0 references) target prot opt source destination DROP all -- anywhere anywhere Chain ufw-track-forward (1 references) target prot opt source destination Chain ufw-track-input (1 references) target prot opt source destination Chain ufw-track-output (1 references) target prot opt source destination Chain ufw-user-forward (1 references) target prot opt source destination Chain ufw-user-input (1 references) target prot opt source destination Chain ufw-user-limit (0 references) target prot opt source destination LOG all -- anywhere anywhere limit: avg 3/min burst 5 LOG level warning prefix "[UFW LIMIT BLOCK] " REJECT all -- anywhere anywhere reject-with icmp-port-unreachable Chain ufw-user-limit-accept (0 references) target prot opt source destination ACCEPT all -- anywhere anywhere Chain ufw-user-logging-forward (0 references) target prot opt source destination Chain ufw-user-logging-input (0 references) target prot opt source destination Chain ufw-user-logging-output (0 references) target prot opt source destination Chain ufw-user-output (1 references) target prot opt source destination ACCEPT udp -- anywhere 213.152.161.180 udp dpt:https ACCEPT all -- anywhere anywhere any help would be great. let me know if you need anymore info.
  3. Hi. I use AirVPN in Ubuntu's network manager and would like to use it as tap0, as opposed to tun0, so that I can bridge my connection via ethernet cable to another device (one which is not as easy to configure) and have it connect to the Internet the same way a virtual machine would (i. e. connecting through AirVPN the way my PC would). Unfortunately, I have found no way to bridge (or otherwise sharee) the connection besides using a TAP device. However, upon changing the .ovpn files from 'dev tun' and 'persist-tun' to 'dev tap' and 'persist-tap', I have found that I am unable to access the Internet. There doesn't seem to be a whole lot out there on sharing a VPN connection via Ubuntu, so I'd appreciate any suggestions that you might have for me. Oh, and if this is possible, I wonder why AirVPN files pick TUN over TAP. Is it in any way safer? Would I be compromising security in this case to get a little more functionality?
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