TAP0 not receiving an IP via DHCP on OpenVPN Server

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Joachim von Caron

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Mar 6, 2016, 10:57:03 AM3/6/16
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Hi,

I have an OS X Server (El Capitan) with TunnelBlick (3.6b24) installed. I configured as the Bridge Server. Starting the Configuration the script "client.up.tunnelblick.sh" is trying to get an DHCP IP for the TAP0 interface. After 5 seconds it is using an public IP without using any DHCP IP. For your information: The Mac is receiving the IP by an DHCP Server on the network - so DHCP is working but not for the TAP0 device. And also yes IP Forward is activated. Using as a normal routing VPN Server is working without any problems.

Any idea?

Thx, Joachim


jkbull...gmail.com

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Mar 6, 2016, 11:28:10 AM3/6/16
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1. Try the latest beta version of Tunnelblick.

2 Please follow the instructions at Read Before You Post to get the info needed to diagnose problems and post the info.

Joachim von Caron

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Mar 6, 2016, 11:43:38 AM3/6/16
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Thx,

Have read the document before I posted and yes I have the latest beta installed. I tested on two OSX computers. And both of them not getting an IP for the TAP0 device. The computer itself is getting by DHCP.

jvc

jkbull...gmail.com

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Mar 6, 2016, 12:38:03 PM3/6/16
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Perhaps I should have emphasized the last phrase or my response more:

2 Please follow the instructions at Read Before You Post to get the info needed to diagnose problems and post the info.


I can't guarantee to be able to help you in any case, but I certainly can't help without the diagnostic info.

Joachim von Caron

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Mar 6, 2016, 1:40:31 PM3/6/16
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true...

*Tunnelblick: OS X 10.11.3; Tunnelblick 3.6beta24 (build 4530); prior version 3.5.8 (build 4270.4530); Admin user


Configuration server


"Sanitized" condensed configuration file for /Users/joachim/Library/Application Support/Tunnelblick/Configurations/server.tblk:


port 1194

proto udp

dev tap0

ca "ca.crt"

cert "joachim.crt"

key "joachim.key"  # This file should be kept secret

dh "dh4096.pem"

server-bridge 192.168.142.1 255.255.255.0 192.168.142.51 192.168.142.59

push "redirect-gateway def1 bypass-dhcp"

push "dhcp-option DNS 192.168.142.240"

client-to-client

keepalive 10 120

comp-lzo

max-clients 10

persist-key

persist-tun

status openvpn-status.log

verb 3



================================================================================


Non-Apple kexts that are loaded:


Index Refs Address            Size       Wired      Name (Version) UUID <Linked Against>

  134    0 0xffffff7f8344f000 0x7000     0x7000     com.parallels.virtualsound (1.0.36 36) E9131806-D073-8482-AC46-B4AAE55EA6FE <105 5 4 3 1>

  144    0 0xffffff7f83456000 0x5000     0x5000     com.parallels.virtualhid (1.0.3 3) B0C355DF-4268-359B-9654-0A67F4305F7B <34 5 4 3 1>

  148    0 0xffffff7f8345b000 0x7000     0x7000     com.McAfee.kext.AppProtection (3.3.2) 371CFEEA-CEA7-356C-8311-EB5EDCC8F3AA <4 1>

  149    0 0xffffff7f83462000 0x1c000    0x1c000    com.McAfee.SFKext (1) 37B23206-E15B-39EF-B9A6-AEC330504407 <5 4 1>

  150    0 0xffffff7f8347e000 0xe000     0xe000     com.McAfee.AVKext (1) A3CBB2E2-EBB5-3638-B351-3A58C356B908 <4 1>

  226    0 0xffffff7f834a8000 0x7000     0x7000     net.tunnelblick.tap (4530.3) 1B812D89-C5EC-37EF-B40A-55C215442E18 <7 5 4 1>


================================================================================


There are no unusual files in server.tblk


================================================================================


Configuration preferences:


-routeAllTrafficThroughVpn = 0

-keychainHasPrivateKey = 0

-keychainHasUsernameAndPassword = 0

-keychainHasUsername = 0

-loadTun = 

-notOKToCheckThatIPAddressDidNotChangeAfterConnection = 1

-lastConnectionSucceeded = 1


================================================================================


Wildcard preferences:



================================================================================


Program preferences:


skipWarningThatIPAddressDidNotChangeAfterConnection = 1

skipWarningThatInternetIsNotReachable = 1

launchAtNextLogin = 1

notOKToCheckThatIPAddressDidNotChangeAfterConnection = 0

askedUserIfOKToCheckThatIPAddressDidNotChangeAfterConnection = 1

tunnelblickVersionHistory = (

    "3.6beta24 (build 4530)",

    "3.5.8 (build 4270.4530)"

)

lastLaunchTime = 478981735.968466

connectionWindowDisplayCriteria = showWhenConnecting

maxLogDisplaySize = 102400

lastConnectedDisplayName = server

keyboardShortcutIndex = 1

updateCheckAutomatically = 1

updateSendProfileInfo = 0

NSWindow Frame SettingsSheetWindow = 574 443 829 524 0 0 1920 1177 

NSWindow Frame ConnectingWindow = 765 743 389 187 0 0 1920 1177 

detailsWindowFrameVersion = 4270.4530

detailsWindowFrame = {{829, 561}, {916, 468}}

detailsWindowLeftFrame = {{0, 0}, {165, 350}}

leftNavSelectedDisplayName = server

AdvancedWindowTabIdentifier = vpnCredentials

haveDealtWithSparkle1dot5b6 = 1

haveDealtWithOldTunTapPreferences = 1

haveDealtWithOldLoginItem = 1

SUEnableAutomaticChecks = 1

SUFeedURL = https://www.tunnelblick.net/appcast-b.rss

SUScheduledCheckInterval = 86400

SUSendProfileInfo = 0

SULastCheckTime = 2016-03-06 18:28:55 +0000

SUHasLaunchedBefore = 1

WebKitDefaultFontSize = 16

WebKitStandardFont = Times


================================================================================


Tunnelblick Log:


2016-03-06 19:30:27 *Tunnelblick: OS X 10.11.3; Tunnelblick 3.6beta24 (build 4530); prior version 3.5.8 (build 4270.4530)

2016-03-06 19:30:27 *Tunnelblick: Attempting connection with server using shadow copy; Set nameserver = 1; monitoring connection

2016-03-06 19:30:27 *Tunnelblick: openvpnstart start server.tblk 1337 1 0 1 0 541042 -ptADGNWradsgnw 2.3.10

2016-03-06 19:30:28 *Tunnelblick: openvpnstart log:

     Loading tap-signed.kext

     OpenVPN started successfully. Command used to start OpenVPN (one argument per displayed line):

     

          /Applications/Tunnelblick.app/Contents/Resources/openvpn/openvpn-2.3.10/openvpn

          --daemon

          --log

          /Library/Application Support/Tunnelblick/Logs/-SUsers-Sjoachim-SLibrary-SApplication Support-STunnelblick-SConfigurations-Sserver.tblk-SContents-SResources-Sconfig.ovpn.1_0_1_0_541042.1337.openvpn.log

          --cd

          /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources

          --verb

          3

          --config

          /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources/config.ovpn

          --cd

          /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources

          --management

          127.0.0.1

          1337

          --management-query-passwords

          --management-hold

          --script-security

          2

          --up

          /Applications/Tunnelblick.app/Contents/Resources/client.up.tunnelblick.sh -9 -a -d -f -m -w -ptADGNWradsgnw

          --down

          /Applications/Tunnelblick.app/Contents/Resources/client.down.tunnelblick.sh -9 -a -d -f -m -w -ptADGNWradsgnw

          --route-pre-down

          /Applications/Tunnelblick.app/Contents/Resources/client.route-pre-down.tunnelblick.sh -9 -a -d -f -m -w -ptADGNWradsgnw


2016-03-06 19:30:27 OpenVPN 2.3.10 x86_64-apple-darwin [SSL (OpenSSL)] [LZO] [PKCS11] [MH] [IPv6] built on Mar  2 2016

2016-03-06 19:30:27 library versions: OpenSSL 1.0.2g  1 Mar 2016, LZO 2.09

2016-03-06 19:30:27 MANAGEMENT: TCP Socket listening on [AF_INET]127.0.0.1:1337

2016-03-06 19:30:27 Need hold release from management interface, waiting...

2016-03-06 19:30:27 *Tunnelblick: openvpnstart starting OpenVPN

2016-03-06 19:30:28 *Tunnelblick: Established communication with OpenVPN

2016-03-06 19:30:28 MANAGEMENT: Client connected from [AF_INET]127.0.0.1:1337

2016-03-06 19:30:28 MANAGEMENT: CMD 'pid'

2016-03-06 19:30:28 MANAGEMENT: CMD 'state on'

2016-03-06 19:30:28 MANAGEMENT: CMD 'state'

2016-03-06 19:30:28 MANAGEMENT: CMD 'bytecount 1'

2016-03-06 19:30:28 MANAGEMENT: CMD 'hold release'

2016-03-06 19:30:28 NOTE: when bridging your LAN adapter with the TAP adapter, note that the new bridge adapter will often take on its own IP address that is different from what the LAN adapter was previously set to

2016-03-06 19:30:28 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts

2016-03-06 19:30:28 Diffie-Hellman initialized with 4096 bit key

2016-03-06 19:30:28 Socket Buffers: R=[196724->196724] S=[9216->9216]

2016-03-06 19:30:28 TUN/TAP device /dev/tap0 opened

2016-03-06 19:30:28 /Applications/Tunnelblick.app/Contents/Resources/client.up.tunnelblick.sh -9 -a -d -f -m -w -ptADGNWradsgnw tap0 1500 1574   init

                                        **********************************************

                                        Start of output from client.up.tunnelblick.sh

                                        Did 'ipconfig set "tap0" DHCP'

                                        Configuring tap DNS via DHCP asynchronously

                                        End of output from client.up.tunnelblick.sh

                                        **********************************************

2016-03-06 19:30:30 UDPv4 link local (bound): [undef]

2016-03-06 19:30:30 UDPv4 link remote: [undef]

2016-03-06 19:30:30 MULTI: multi_init called, r=256 v=256

2016-03-06 19:30:30 IFCONFIG POOL: base=192.168.142.51 size=9, ipv6=0

2016-03-06 19:30:30 Initialization Sequence Completed

2016-03-06 19:30:30 MANAGEMENT: >STATE:1457289030,CONNECTED,SUCCESS,,

2016-03-06 19:30:30 *Tunnelblick: No 'connected.sh' script to execute

                                        Sleeping for 0 seconds to wait for DHCP to finish setup.

                                        Sleeping for 1 seconds to wait for DHCP to finish setup.

                                        Sleeping for 2 seconds to wait for DHCP to finish setup.

                                        Sleeping for 3 seconds to wait for DHCP to finish setup.

                                        Sleeping for 4 seconds to wait for DHCP to finish setup.

                                        WARNING: No DNS information received from OpenVPN via DHCP, so no network/DNS configuration changes need to be made.

                                        WARNING: Will NOT monitor for other network configuration changes.

                                        DNS servers '192.168.142.240' will be used for DNS queries when the VPN is active

                                        NOTE: The DNS servers do not include any free public DNS servers known to Tunnelblick. This may cause DNS queries to fail or be intercepted or falsified even if they are directed through the VPN. Specify only known public DNS servers or DNS servers located on the VPN network to avoid such problems.

                                        Flushed the DNS cache via dscacheutil

                                        /usr/sbin/discoveryutil not present. Not flushing the DNS cache via discoveryutil

                                        Notified mDNSResponder that the DNS cache was flushed


================================================================================


"Sanitized" full configuration file


;local 192.168.142.242

port 1194

proto udp

dev tap0

ca "ca.crt"

cert "joachim.crt"

key "joachim.key"  # This file should be kept secret

dh "dh4096.pem"

server-bridge 192.168.142.1 255.255.255.0 192.168.142.51 192.168.142.59

push "redirect-gateway def1 bypass-dhcp"

push "dhcp-option DNS 192.168.142.240"

client-to-client

keepalive 10 120

comp-lzo

max-clients 10

persist-key

persist-tun

status openvpn-status.log

verb 3



================================================================================


ifconfig output:


lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384

options=3<RXCSUM,TXCSUM>

inet6 ::1 prefixlen 128 

inet 127.0.0.1 netmask 0xff000000 

inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1 

nd6 options=1<PERFORMNUD>

gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280

stf0: flags=0<> mtu 1280

en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500

ether 28:cf:e9:13:65:31 

inet6 fe80::2acf:e9ff:fe13:6531%en0 prefixlen 64 scopeid 0x4 

inet 192.168.142.100 netmask 0xffffff00 broadcast 192.168.142.255

nd6 options=1<PERFORMNUD>

media: autoselect

status: active

en1: flags=963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX> mtu 1500

options=60<TSO4,TSO6>

ether 32:00:16:5f:b7:80 

media: autoselect <full-duplex>

status: inactive

en2: flags=963<UP,BROADCAST,SMART,RUNNING,PROMISC,SIMPLEX> mtu 1500

options=60<TSO4,TSO6>

ether 32:00:16:5f:b7:81 

media: autoselect <full-duplex>

status: inactive

p2p0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 2304

ether 0a:cf:e9:13:65:31 

media: autoselect

status: inactive

awdl0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1484

ether 36:9c:d7:d5:33:64 

inet6 fe80::349c:d7ff:fed5:3364%awdl0 prefixlen 64 scopeid 0x8 

nd6 options=1<PERFORMNUD>

media: autoselect

status: active

bridge0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500

options=63<RXCSUM,TXCSUM,TSO4,TSO6>

ether 2a:cf:e9:31:67:00 

Configuration:

id 0:0:0:0:0:0 priority 0 hellotime 0 fwddelay 0

maxage 0 holdcnt 0 proto stp maxaddr 100 timeout 1200

root id 0:0:0:0:0:0 priority 0 ifcost 0 port 0

ipfilter disabled flags 0x2

member: en1 flags=3<LEARNING,DISCOVER>

       ifmaxaddr 0 port 5 priority 0 path cost 0

member: en2 flags=3<LEARNING,DISCOVER>

       ifmaxaddr 0 port 6 priority 0 path cost 0

nd6 options=1<PERFORMNUD>

media: <unknown type>

status: inactive

utun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1380

inet6 fe80::554b:a19e:79c1:4762%utun0 prefixlen 64 scopeid 0xa 

inet6 fd27:1187:b500:42ca:554b:a19e:79c1:4762 prefixlen 64 

nd6 options=1<PERFORMNUD>

utun1: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500

inet6 fe80::ef7c:6e:2fbe:5f51%utun1 prefixlen 64 scopeid 0xd 

nd6 options=1<PERFORMNUD>

utun2: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500

inet6 fe80::a123:5684:c195:a3a2%utun2 prefixlen 64 scopeid 0xe 

nd6 options=1<PERFORMNUD>

tap0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500

ether e6:81:5a:8d:ba:41 

inet 169.254.96.164 netmask 0xffff0000 broadcast 169.254.255.255

media: autoselect

status: active

open (pid 93970)


================================================================================


Console Log:


2016-03-06 19:27:15 Tunnelblick[93820] Set program update feedURL to https://www.tunnelblick.net/appcast-s.rss

2016-03-06 19:27:39 Tunnelblick[93820] applicationShouldTerminate: termination for unknown reason, probably Command-Q; delayed until 'shutdownTunnelblick' finishes

2016-03-06 19:27:40 Tunnelblick[93820] runTunnelblickd: no data available from tunnelblickd socket; sleeping 0.100000 seconds...

2016-03-06 19:27:40 Tunnelblick[93820] runTunnelblickd: no data available from tunnelblickd socket; sleeping 0.200000 seconds...

2016-03-06 19:27:40 Tunnelblick[93820] runTunnelblickd: no data available from tunnelblickd socket; sleeping 0.400000 seconds...

2016-03-06 19:27:40 tunnelblickd[93830] Status = 0 from tunnelblick-helper command 'unloadKexts 2'

2016-03-06 19:27:41 Tunnelblick[93820] runTunnelblickd: no data available from tunnelblickd socket; sleeping 0.100000 seconds...

2016-03-06 19:27:41 Tunnelblick[93820] runTunnelblickd: no data available from tunnelblickd socket; sleeping 0.200000 seconds...

2016-03-06 19:27:41 Tunnelblick[93820] runTunnelblickd: no data available from tunnelblickd socket; sleeping 0.400000 seconds...

2016-03-06 19:27:41 tunnelblickd[93830] Status = 0 from tunnelblick-helper command 'deleteLogs'

2016-03-06 19:27:41 Tunnelblick[93820] Finished shutting down Tunnelblick; allowing termination

2016-03-06 19:28:31 kernel[0] hfs: mounted Tunnelblick on device disk2s1

2016-03-06 19:28:31 mds[82] (Volume.Normal:2464) volume:0x7fb0e3841800 ********** Bootstrapped Creating a default store:1 SpotLoc:(null) SpotVerLoc:(null) occlude:0 /Volumes/Tunnelblick

2016-03-06 19:28:42 Tunnelblick[93883] Tunnelblick: OS X 10.11.3; Tunnelblick 3.6beta24 (build 4530)

2016-03-06 19:28:43 Tunnelblick[93883] Tunnelblick cannot run when it is on /Volumes because the volume has the MNT_NOSUID statfs flag set.

2016-03-06 19:28:48 Tunnelblick[93883] Beginning installation or repair

2016-03-06 19:28:48 authexec[93890] executing /Volumes/Tunnelblick/Tunnelblick.app/Contents/Resources/installer

2016-03-06 19:28:54 Tunnelblick[93883] Installation or repair succeeded; Log:

                                       Tunnelblick installer started 2016-03-06 19:28:48. 1 arguments: 0x0017

                                       Moved /Applications/Tunnelblick.app to the Trash

                                       Copied /Volumes/Tunnelblick/Tunnelblick.app to /Applications/Tunnelblick.app

                                       Changed ownership of /Applications/Tunnelblick.app and its contents from 501:80 to 0:0

                                       Changed ownership of the contents of /Users/joachim/Library/Application Support/Tunnelblick/Configurations from 501:80 to 501:80

                                       Changed permissions from 644 to 740 on /Users/joachim/Library/Application Support/Tunnelblick/Configurations/server.tblk/Contents/Resources/dh4096.pem

                                       Changed permissions from 600 to 700 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources/openvpn-status.log

                                       Used launchctl to load tunnelblickd

                                       Tunnelblick installer finished without error

2016-03-06 19:28:54 Tunnelblick[93883] applicationShouldTerminate: termination because of Quit; delayed until 'shutdownTunnelblick' finishes

2016-03-06 19:28:54 Tunnelblick[93924] Tunnelblick: OS X 10.11.3; Tunnelblick 3.6beta24 (build 4530)

2016-03-06 19:28:55 Tunnelblick[93924] Set program update feedURL to https://www.tunnelblick.net/appcast-b.rss

2016-03-06 19:28:55 Tunnelblick[93883] Finished shutting down Tunnelblick; allowing termination

2016-03-06 19:28:55 kernel[0] hfs: unmount initiated on Tunnelblick on device disk2s1

2016-03-06 19:28:55 deleted[1268] normalizeUserMountpoint:736 volRoot failed for /Volumes/Tunnelblick

2016-03-06 19:28:55 deleted[1268] _validateVolume:758 unable to normalize volume: "/Volumes/Tunnelblick", vol: (null)

2016-03-06 19:30:22 tunnelblickd[93954] Status = 252 from tunnelblick-helper command 'compareShadowCopy server'

2016-03-06 19:30:22 Tunnelblick[93924] tunnelblickd status from compareShadowCopy: 252

2016-03-06 19:30:26 Tunnelblick[93924] Beginning installation or repair

2016-03-06 19:30:26 authexec[93959] executing /Applications/Tunnelblick.app/Contents/Resources/installer

2016-03-06 19:30:27 Tunnelblick[93924] Installation or repair succeeded; Log:

                                       Tunnelblick installer started 2016-03-06 19:30:26. 3 arguments: 0x0001

                                            /Library/Application Support/Tunnelblick/Users/joachim/server.tblk

                                            /Users/joachim/Library/Application Support/Tunnelblick/Configurations/server.tblk

                                       Copied /Users/joachim/Library/Application Support/Tunnelblick/Configurations/server.tblk

                                           to /Library/Application Support/Tunnelblick/Users/joachim/server.tblk.temp

                                       Renamed /Library/Application Support/Tunnelblick/Users/joachim/server.tblk.temp

                                            to /Library/Application Support/Tunnelblick/Users/joachim/server.tblk

                                       Changed ownership of /Library/Application Support/Tunnelblick/Users/joachim/server.tblk and its contents from 501:80 to 0:0

                                       Changed permissions from 750 to 755 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk

                                       Changed permissions from 750 to 755 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents

                                       Changed permissions from 750 to 755 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources

                                       Changed permissions from 740 to 700 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources/ca.crt

                                       Changed permissions from 740 to 700 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources/config.ovpn

                                       Changed permissions from 740 to 700 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources/dh4096.pem

                                       Changed permissions from 740 to 700 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources/joachim.crt

                                       Changed permissions from 740 to 700 on /Library/Application Support/Tunnelblick/Users/joachim/server.tblk/Contents/Resources/joachim.key

                                       Tunnelblick installer finished without error

2016-03-06 19:30:27 Tunnelblick[93924] Created or updated secure (shadow) copy of configuration file /Users/joachim/Library/Application Support/Tunnelblick/Configurations/server.tblk


jkbull...gmail.com

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Mar 6, 2016, 1:50:15 PM3/6/16
to tunnelblick-discuss
OpenVPN only needs to set the nameserver on clients, not on servers.

Change the configuration's "DNS/WINS" setting to be "Do not set nameserver".

Joachim von Caron

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Mar 6, 2016, 2:10:27 PM3/6/16
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ups, I missed. True and thx for this.

Anyhow the TAP0 interface on the server has no IP. Is this correct?

Connecting from the client, I cannot ping anything.

Joachim 

jkbull...gmail.com

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Mar 6, 2016, 2:18:19 PM3/6/16
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On Sunday, March 6, 2016 at 2:10:27 PM UTC-5, Joachim von Caron wrote:
ups, I missed. True and thx for this.

Anyhow the TAP0 interface on the server has no IP. Is this correct?

I don't know; that's really an OpenVPN question.

 
Connecting from the client, I cannot ping anything.

Could be any number of problems: routing/firewall are the most likely. One thing to keep in mind is that "ping" and some other commands on OS X don't use OS X standard name resolution, so they should only be used with IP addresses, not with names.

Joachim von Caron

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Mar 10, 2016, 11:00:31 AM3/10/16
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Will answer myself...

TAP0 on the server will not receive any IP (Layer 2) - I forgot...

Problem solved anyhow: TAP0 will not automaticly bind to the Bridge interface on the Mac, so I used the up.sh functionality. Now it is working.

jvc
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