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BaGamman

DNS Bad Config Error / DNS check failure

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Hi,

this probably has been answered a million times, but I started a couple days ago to have an issue with AirVPN on ones of my computers.

Long story short, it started to fail the DNS check. When I try to deactivate this check, the client is connected and I can perform a certain number of non-Browser action such as pinging servers with my CMD, but anything I do with an Internet Browser fails with the DNS_Probe_Bad_Config error.

I'm kinda in the lost. I tried to change my Ipv4 DNS, reinstall Eddie-UI and add a bunch of free DNS addresses in the setting, but it doesn't work.

So, a little help for a long-term customer, please ?

EDIT: Ok ? It seems updating to v2.18 managed to fix the issue. Maybe an update made the v2.17 incompatible in some way ?
I'm keeping this open for the record, it might help some.


Below, the logs from what happens when the DNS check fails:
 

I 2020.03.08 23:41:58 - Session starting.
I 2020.03.08 23:41:59 - Checking authorization ...
! 2020.03.08 23:41:59 - Connecting to Muscida (Netherlands, Alblasserdam)
. 2020.03.08 23:41:59 - OpenVPN > OpenVPN 2.4.6 x86_64-w64-mingw32 [SSL (OpenSSL)] [LZO] [LZ4] [PKCS11] [AEAD] built on Apr 27 2018
. 2020.03.08 23:41:59 - OpenVPN > Windows version 6.2 (Windows 8 or greater) 64bit
. 2020.03.08 23:41:59 - OpenVPN > library versions: OpenSSL 1.1.0h  27 Mar 2018, LZO 2.10
. 2020.03.08 23:41:59 - Connection to OpenVPN Management Interface
. 2020.03.08 23:41:59 - OpenVPN > MANAGEMENT: TCP Socket listening on [AF_INET]127.0.0.1:3100
. 2020.03.08 23:41:59 - OpenVPN > Outgoing Control Channel Encryption: Cipher 'AES-256-CTR' initialized with 256 bit key
. 2020.03.08 23:41:59 - OpenVPN > Outgoing Control Channel Encryption: Using 256 bit message hash 'SHA256' for HMAC authentication
. 2020.03.08 23:41:59 - OpenVPN > Incoming Control Channel Encryption: Cipher 'AES-256-CTR' initialized with 256 bit key
. 2020.03.08 23:41:59 - OpenVPN > Incoming Control Channel Encryption: Using 256 bit message hash 'SHA256' for HMAC authentication
. 2020.03.08 23:41:59 - OpenVPN > TCP/UDP: Preserving recently used remote address: [AF_INET]213.152.162.156:443
. 2020.03.08 23:41:59 - OpenVPN > Socket Buffers: R=[65536->262144] S=[65536->262144]
. 2020.03.08 23:41:59 - OpenVPN > UDP link local: (not bound)
. 2020.03.08 23:41:59 - OpenVPN > UDP link remote: [AF_INET]213.152.162.156:443
. 2020.03.08 23:41:59 - OpenVPN > TLS: Initial packet from [AF_INET]213.152.162.156:443, sid=1f3a89f9 2ee7c9c7
. 2020.03.08 23:41:59 - OpenVPN > MANAGEMENT: Client connected from [AF_INET]127.0.0.1:3100
. 2020.03.08 23:41:59 - OpenVPN > VERIFY OK: depth=1, C=IT, ST=IT, L=Perugia, O=airvpn.org, CN=airvpn.org CA, emailAddress=info@airvpn.org
. 2020.03.08 23:41:59 - OpenVPN > VERIFY KU OK
. 2020.03.08 23:41:59 - OpenVPN > Validating certificate extended key usage
. 2020.03.08 23:41:59 - OpenVPN > ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication
. 2020.03.08 23:41:59 - OpenVPN > VERIFY EKU OK
. 2020.03.08 23:41:59 - OpenVPN > VERIFY OK: depth=0, C=IT, ST=IT, L=Perugia, O=airvpn.org, CN=Muscida, emailAddress=info@airvpn.org
. 2020.03.08 23:42:00 - OpenVPN > Control Channel: TLSv1.2, cipher TLSv1.2 DHE-RSA-AES256-GCM-SHA384, 4096 bit RSA
. 2020.03.08 23:42:00 - OpenVPN > [Muscida] Peer Connection Initiated with [AF_INET]213.152.162.156:443
. 2020.03.08 23:42:01 - OpenVPN > SENT CONTROL [Muscida]: 'PUSH_REQUEST' (status=1)
. 2020.03.08 23:42:01 - OpenVPN > PUSH: Received control message: 'PUSH_REPLY,comp-lzo no,redirect-gateway ipv6 def1 bypass-dhcp,dhcp-option DNS 10.24.130.1,dhcp-option DNS6 fde6:7a:7d20:1482::1,tun-ipv6,route-gateway 10.24.130.1,topology subnet,ping 10,ping-restart 60,ifconfig-ipv6 fde6:7a:7d20:1482::104f/64 fde6:7a:7d20:1482::1,ifconfig 10.24.130.81 255.255.255.0,peer-id 9,cipher AES-256-GCM'
. 2020.03.08 23:42:01 - OpenVPN > Pushed option removed by filter: 'redirect-gateway ipv6 def1 bypass-dhcp'
. 2020.03.08 23:42:01 - OpenVPN > OPTIONS IMPORT: timers and/or timeouts modified
. 2020.03.08 23:42:01 - OpenVPN > OPTIONS IMPORT: compression parms modified
. 2020.03.08 23:42:01 - OpenVPN > OPTIONS IMPORT: --ifconfig/up options modified
. 2020.03.08 23:42:01 - OpenVPN > OPTIONS IMPORT: route-related options modified
. 2020.03.08 23:42:01 - OpenVPN > OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options modified
. 2020.03.08 23:42:01 - OpenVPN > OPTIONS IMPORT: peer-id set
. 2020.03.08 23:42:01 - OpenVPN > OPTIONS IMPORT: adjusting link_mtu to 1625
. 2020.03.08 23:42:01 - OpenVPN > OPTIONS IMPORT: data channel crypto options modified
. 2020.03.08 23:42:01 - OpenVPN > Data Channel: using negotiated cipher 'AES-256-GCM'
. 2020.03.08 23:42:01 - OpenVPN > Outgoing Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
. 2020.03.08 23:42:01 - OpenVPN > Incoming Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
. 2020.03.08 23:42:01 - OpenVPN > interactive service msg_channel=0
. 2020.03.08 23:42:01 - OpenVPN > ROUTE_GATEWAY 192.168.1.254/255.255.255.0 I=13 HWADDR=20:79:18:64:ba:ae
. 2020.03.08 23:42:01 - OpenVPN > GDG6: remote_host_ipv6=n/a
. 2020.03.08 23:42:01 - OpenVPN > NOTE: GetBestInterfaceEx returned error: �l�ment introuvable.   (code=1168)
. 2020.03.08 23:42:01 - OpenVPN > ROUTE6: default_gateway=UNDEF
. 2020.03.08 23:42:01 - OpenVPN > open_tun
. 2020.03.08 23:42:01 - OpenVPN > TAP-WIN32 device [Ethernet 2] opened: \\.\Global\{7FBA13E2-0BA8-403B-BD75-883F67CF455C}.tap
. 2020.03.08 23:42:01 - OpenVPN > TAP-Windows Driver Version 9.21
. 2020.03.08 23:42:01 - OpenVPN > Set TAP-Windows TUN subnet mode network/local/netmask = 10.24.130.0/10.24.130.81/255.255.255.0 [SUCCEEDED]
. 2020.03.08 23:42:01 - OpenVPN > Notified TAP-Windows driver to set a DHCP IP/netmask of 10.24.130.81/255.255.255.0 on interface {7FBA13E2-0BA8-403B-BD75-883F67CF455C} [DHCP-serv: 10.24.130.254, lease-time: 31536000]
. 2020.03.08 23:42:01 - OpenVPN > Successful ARP Flush on interface [18] {7FBA13E2-0BA8-403B-BD75-883F67CF455C}
. 2020.03.08 23:42:01 - OpenVPN > do_ifconfig, tt->did_ifconfig_ipv6_setup=1
. 2020.03.08 23:42:02 - OpenVPN > NETSH: C:\WINDOWS\system32\netsh.exe interface ipv6 set address interface=18 fde6:7a:7d20:1482::104f store=active
. 2020.03.08 23:42:03 - OpenVPN > NETSH: C:\WINDOWS\system32\netsh.exe interface ipv6 set dns Ethernet 2 static fde6:7a:7d20:1482::1 validate=no
. 2020.03.08 23:42:03 - OpenVPN > add_route_ipv6(fde6:7a:7d20:1482::/64 -> fde6:7a:7d20:1482::104f metric 0) dev Ethernet 2
. 2020.03.08 23:42:03 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 add route fde6:7a:7d20:1482::/64 interface=18 fe80::8 store=active
. 2020.03.08 23:42:03 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:42:09 - OpenVPN > TEST ROUTES: 1/1 succeeded len=0 ret=1 a=0 u/d=up
. 2020.03.08 23:42:09 - OpenVPN > C:\WINDOWS\system32\route.exe ADD 213.152.162.156 MASK 255.255.255.255 192.168.1.254
. 2020.03.08 23:42:09 - OpenVPN > ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=45 and dwForwardType=4
. 2020.03.08 23:42:09 - OpenVPN > Route addition via IPAPI succeeded [adaptive]
. 2020.03.08 23:42:09 - OpenVPN > C:\WINDOWS\system32\route.exe ADD 0.0.0.0 MASK 128.0.0.0 10.24.130.1
. 2020.03.08 23:42:09 - OpenVPN > ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=35 and dwForwardType=4
. 2020.03.08 23:42:09 - OpenVPN > Route addition via IPAPI succeeded [adaptive]
. 2020.03.08 23:42:09 - OpenVPN > C:\WINDOWS\system32\route.exe ADD 128.0.0.0 MASK 128.0.0.0 10.24.130.1
. 2020.03.08 23:42:09 - OpenVPN > ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=35 and dwForwardType=4
. 2020.03.08 23:42:09 - OpenVPN > Route addition via IPAPI succeeded [adaptive]
. 2020.03.08 23:42:09 - OpenVPN > add_route_ipv6(::/3 -> fde6:7a:7d20:1482::1 metric -1) dev Ethernet 2
. 2020.03.08 23:42:09 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 add route ::/3 interface=18 fe80::8 store=active
. 2020.03.08 23:42:09 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:42:09 - OpenVPN > add_route_ipv6(2000::/4 -> fde6:7a:7d20:1482::1 metric -1) dev Ethernet 2
. 2020.03.08 23:42:09 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 add route 2000::/4 interface=18 fe80::8 store=active
. 2020.03.08 23:42:09 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:42:09 - OpenVPN > add_route_ipv6(3000::/4 -> fde6:7a:7d20:1482::1 metric -1) dev Ethernet 2
. 2020.03.08 23:42:09 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 add route 3000::/4 interface=18 fe80::8 store=active
. 2020.03.08 23:42:09 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:42:10 - OpenVPN > add_route_ipv6(fc00::/7 -> fde6:7a:7d20:1482::1 metric -1) dev Ethernet 2
. 2020.03.08 23:42:10 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 add route fc00::/7 interface=18 fe80::8 store=active
. 2020.03.08 23:42:10 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:42:10 - Interface Ethernet 2 metric changed from Automatic to 3, layer IPv4
. 2020.03.08 23:42:10 - Interface Ethernet 2 metric changed from Automatic to 3, layer IPv6
. 2020.03.08 23:42:10 - DNS leak protection with packet filtering enabled.
. 2020.03.08 23:42:10 - DNS IPv4 of a network adapter forced (Ethernet 2, from manual (10.5.130.1) to 10.24.130.1)
. 2020.03.08 23:42:10 - DNS IPv6 of a network adapter forced (Ethernet 2, from automatic to fde6:7a:7d20:1482::1)
W 2020.03.08 23:42:10 - Routes, add 213.152.162.154 for gateway 10.24.130.1 failed: 'route' n'est pas reconnu en tant que commande interne
W 2020.03.08 23:42:10 -     ou externe, un programme ex‚cutable ou un fichier de commandes
W 2020.03.08 23:42:10 - Routes, add 2a00:1678:2470:5:3568:e603:2b4d:aeb6 for gateway fde6:7a:7d20:1482::1 failed: 'netsh' n'est pas reconnu en tant que commande interne
W 2020.03.08 23:42:10 -     ou externe, un programme ex‚cutable ou un fichier de commandes
. 2020.03.08 23:42:10 - Flushing DNS
I 2020.03.08 23:42:10 - Checking route IPv4
I 2020.03.08 23:42:11 - Checking route IPv6
I 2020.03.08 23:42:11 - Checking DNS
. 2020.03.08 23:42:23 - Checking DNS failed:
. 2020.03.08 23:42:23 - Checking DNS (2° try)
. 2020.03.08 23:42:37 - Checking DNS failed:
. 2020.03.08 23:42:37 - Checking DNS (3° try)
. 2020.03.08 23:42:51 - Checking DNS failed:
E 2020.03.08 23:42:51 - Checking DNS failed.
. 2020.03.08 23:42:51 - OpenVPN > Initialization Sequence Completed
! 2020.03.08 23:42:51 - Disconnecting
. 2020.03.08 23:42:51 - Sending management termination signal
. 2020.03.08 23:42:51 - Management - Send 'signal SIGTERM'
. 2020.03.08 23:42:51 - OpenVPN > MANAGEMENT: CMD 'e7596dca56bbadcf74b75c6128267e9392cdf16e6702e795a387f4873676eb28'
. 2020.03.08 23:43:00 - Sending management termination signal
. 2020.03.08 23:43:00 - Management - Send 'signal SIGTERM'
. 2020.03.08 23:43:00 - OpenVPN > MANAGEMENT: CMD 'signal SIGTERM'
. 2020.03.08 23:43:00 - OpenVPN > SIGTERM received, sending exit notification to peer
. 2020.03.08 23:43:05 - OpenVPN > C:\WINDOWS\system32\route.exe DELETE 213.152.162.156 MASK 255.255.255.255 192.168.1.254
. 2020.03.08 23:43:05 - OpenVPN > Route deletion via IPAPI succeeded [adaptive]
. 2020.03.08 23:43:05 - OpenVPN > C:\WINDOWS\system32\route.exe DELETE 0.0.0.0 MASK 128.0.0.0 10.24.130.1
. 2020.03.08 23:43:05 - OpenVPN > Route deletion via IPAPI succeeded [adaptive]
. 2020.03.08 23:43:05 - OpenVPN > C:\WINDOWS\system32\route.exe DELETE 128.0.0.0 MASK 128.0.0.0 10.24.130.1
. 2020.03.08 23:43:05 - OpenVPN > Route deletion via IPAPI succeeded [adaptive]
. 2020.03.08 23:43:05 - OpenVPN > delete_route_ipv6(::/3)
. 2020.03.08 23:43:05 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 delete route ::/3 interface=18 fe80::8 store=active
. 2020.03.08 23:43:05 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:43:05 - OpenVPN > delete_route_ipv6(2000::/4)
. 2020.03.08 23:43:05 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 delete route 2000::/4 interface=18 fe80::8 store=active
. 2020.03.08 23:43:05 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:43:05 - OpenVPN > delete_route_ipv6(3000::/4)
. 2020.03.08 23:43:05 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 delete route 3000::/4 interface=18 fe80::8 store=active
. 2020.03.08 23:43:05 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:43:05 - OpenVPN > delete_route_ipv6(fc00::/7)
. 2020.03.08 23:43:05 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 delete route fc00::/7 interface=18 fe80::8 store=active
. 2020.03.08 23:43:05 - OpenVPN > env_block: add PATH=C:\WINDOWS\System32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
. 2020.03.08 23:43:06 - OpenVPN > Closing TUN/TAP interface
. 2020.03.08 23:43:06 - OpenVPN > delete_route_ipv6(fde6:7a:7d20:1482::/64)
. 2020.03.08 23:43:06 - OpenVPN > C:\WINDOWS\system32\netsh.exe interface ipv6 delete route fde6:7a:7d20:1482::/64 interface=18 fe80::8 store=active
. 2020.03.08 23:43:06 - OpenVPN > NETSH: C:\WINDOWS\system32\netsh.exe interface ipv6 delete address Ethernet 2 fde6:7a:7d20:1482::104f store=active
. 2020.03.08 23:43:06 - OpenVPN > NETSH: C:\WINDOWS\system32\netsh.exe interface ipv6 delete dns Ethernet 2 all
. 2020.03.08 23:43:07 - OpenVPN > TAP: DHCP address released
. 2020.03.08 23:43:07 - OpenVPN > SIGTERM[soft,exit-with-notification] received, process exiting
. 2020.03.08 23:43:07 - Connection terminated.
. 2020.03.08 23:43:07 - DNS IPv4 of a network adapter restored to original settings (Ethernet 2, to 10.5.130.1)
. 2020.03.08 23:43:07 - DNS IPv6 of a network adapter restored to original settings (Ethernet 2, to automatic)
. 2020.03.08 23:43:07 - DNS leak protection with packet filtering disabled.
. 2020.03.08 23:43:07 - Interface Ethernet 2 metric restored from 3 to Automatic, layer IPv4
. 2020.03.08 23:43:07 - Interface Ethernet 2 metric restored from 3 to Automatic, layer IPv6
I 2020.03.08 23:43:09 - Cancel requested.
! 2020.03.08 23:43:09 - Session terminated.
. 2020.03.08 23:43:44 - Updating systems & servers data ...
. 2020.03.08 23:43:44 - Systems & servers data update completed
 

Edited ... by BaGamman

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