Hello Paul
I tried that, but with no luck. Still the same.
Best regards
Johannes
Am Mo., 22. Okt. 2018 um 12:30 Uhr schrieb Paul Wouters <p...@nohats.ca>:
> Try without sha-truncbug=yes
>
> Sent from mobile device
>
> On Oct 22, 2018, at 11:09, Johannes C. Schulz <enzephalo...@googlemail.com>
> wrote:
>
> Good morning Libreswan-folks!
>
> I cannot understand, why my libreswan-VPN does not work correctly. It
> connects but, I get no data through - no ping, no ssh.
>
> Before I start my vpn the routing is like this:
> $ ip ro
> default via 192.168.42.129 dev enp0s12u2 proto dhcp metric 100
> 169.254.0.0/16 dev enp0s12u2 scope link metric 1000
> 192.168.42.0/24 dev enp0s12u2 proto kernel scope link src 192.168.42.91
> metric 100
> 192.168.42.129 dev enp0s12u2 scope link
>
> for explanation: The client is a roadwarrior, in this case my
> DHCP-server/router is 192.168.42.129 and my local address is 192.168.42.91
>
> Now I start my vpn with following configuration
>
> config setup
> protostack = netkey
> conn Office1
> type = tunnel
> authby = secret
> left = 192.168.42.91
> leftid = @office_vpn_admin
> leftsubnet = 192.168.92.0/24
> leftvti = 192.168.92.234/24
> right = some-domain.tld
> rightid = @Office
> keyexchange = ike
> ike = aes256-sha2;dh14
> phase2 = esp
> phase2alg = aes256-sha2;dh14
> sha2_truncbug = yes
> ikelifetime = 4h
> keylife = 8h
> auto = route
> aggrmode = yes
> vti-interface = vti0
> vti-routing = yes
> mark = 5/0xffffffff
>
> The connection show up:
>
> 003 "Office1": IKEv1 Aggressive Mode with PSK is vulnerable to dictionary
> attacks and is cracked on large scale by TLA's
> 002 "Office1" #17: initiating Aggressive Mode
> 112 "Office1" #17: STATE_AGGR_I1: initiate
> 010 "Office1" #17: STATE_AGGR_I1: retransmission; will wait 0.5 seconds
> for response
> 010 "Office1" #17: STATE_AGGR_I1: retransmission; will wait 1 seconds for
> response
> 003 "Office1" #17: ignoring unknown Vendor ID payload
> [0048e2270bea8395ed778d343cc2a076]
> 003 "Office1" #17: ignoring unknown Vendor ID payload
> [5cbeb399eb835a7d7a2eb495905db061]
> 003 "Office1" #17: ignoring unknown Vendor ID payload
> [810fa565f8ab14369105d706fbd57279]
> 002 "Office1" #17: Peer ID is ID_FQDN: '@Office'
> 002 "Office1" #17: WARNING: connection Office1 PSK length of 13 bytes is
> too short for sha2_256 PRF in FIPS mode (16 bytes required)
> 002 "Office1" #17: Peer ID is ID_FQDN: '@Office'
> 004 "Office1" #17: STATE_AGGR_I2: sent AI2, ISAKMP SA established
> {auth=PRESHARED_KEY cipher=aes_256 integ=sha2_256 group=MODP2048}
> 002 "Office1" #18: initiating Quick Mode
> PSK+ENCRYPT+TUNNEL+PFS+UP+AGGRESSIVE+IKEV1_ALLOW+IKEV2_ALLOW+SAREF_TRACK+IKE_FRAG_ALLOW+ESN_NO
> {using isakmp#17 msgid:d10ecd44
> proposal=AES_CBC_256-HMAC_SHA2_256_128-MODP2048 pfsgroup=MODP2048}
> 117 "Office1" #18: STATE_QUICK_I1: initiate
> 010 "Office1" #18: STATE_QUICK_I1: retransmission; will wait 0.5 seconds
> for response
> 002 "Office1" #18: prepare-client output:
> net.ipv4.conf.vti0.disable_policy = 1
> 002 "Office1" #18: prepare-client output: net.ipv4.conf.vti0.rp_filter = 0
> 002 "Office1" #18: prepare-client output: net.ipv4.conf.vti0.forwarding = 1
> 002 "Office1" #18: route-client output: done ip route
> 004 "Office1" #18: STATE_QUICK_I2: sent QI2, IPsec SA established tunnel
> mode {ESP/NAT=>0x63b84f91 <0x9be80fa8 xfrm=AES_CBC_256-HMAC_SHA2_256_128
> NATOA=none NATD=xx.yyy.zzz.vv:4500 DPD=passive}
>
> routing then shows
>
> $ ip ro
> default via 192.168.42.129 dev enp0s12u2 proto dhcp metric 100
> xx.yyy.zzz.vv dev vti0 scope link
> 169.254.0.0/16 dev enp0s12u2 scope link metric 1000
> 192.168.42.0/24 dev enp0s12u2 proto kernel scope link src 192.168.42.91
> metric 100
> 192.168.42.129 dev enp0s12u2 scope link
> 192.168.92.0/24 dev vti0 proto kernel scope link src 192.168.92.234
>
> $ route
> Kernel-IP-Routentabelle
> Ziel Router Genmask Flags Metric Ref Use
> Iface
> default _gateway 0.0.0.0 UG 100 0 0
> enp0s12u2
> pXXXXaXXX.dip0. 0.0.0.0 255.255.255.255 UH 0 0 0
> vti0
> link-local 0.0.0.0 255.255.0.0 U 1000 0 0
> enp0s12u2
> 192.168.42.0 0.0.0.0 255.255.255.0 U 100 0 0
> enp0s12u2
> _gateway 0.0.0.0 255.255.255.255 UH 0 0 0
> enp0s12u2
> 192.168.92.0 0.0.0.0 255.255.255.0 U 0 0 0
> vti0
>
> $ ping 192.168.92.10
> PING 192.168.92.10 (192.168.92.10) 56(84) bytes of data.
> From 192.168.92.234 icmp_seq=1 Destination Host Unreachable
>
> Again I ask you for help. I cannot understand why this will not work.
> Maybe this is special to ubuntu/debian-distro?
>
> --
> Best regards
> Johannes C. Schulz
>
> „*Programmer - n. [proh-gram-er] an organism that turns caffeine and
> pizza into software“*
>
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> Swan@lists.libreswan.org
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>
>
--
Viele Grüße
Johannes C. Schulz
„*Programmer - n. [proh-gram-er] an organism that turns caffeine and pizza
into software“*
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