kanotix.com
Networking - Issue connecting MS Exchange Server
jlowery - 11.11.2006, 12:23 Uhr
Titel: Issue connecting MS Exchange Server
My email at work is unfortunately routed through an MS Exchange server. Approximately 2 weeks ago, all 3 of my Kanotix installs cannot connect to the MS Exchange server either via a web browser or via Evolution (which uses a converter for the web interface). I have tried several different browsers (Firefox, Mozilla, Opera, IE under WINE, Konqueror) and none can connect. I've tried other Distros (Ubuntu, DSL) and they connect fine. I've turned off my firewall, no change. I cannot connect at work or at home.
I have a capture file from Wireshark and it appears that a packet is being dropped (see below). I assume my problem is a file update to something dealing with ssl or authentication, but do not know where to start.
Here is the capture of an attempt to connect to the web interface (IP address and MAC ID masked to protect the guilty):
Code:
No. Time Source Destination Protocol Info
1 0.000000 83.138.190.203 192.168.2.101 TCP www > 1240 [FIN, ACK] Seq=0 Ack=0 Win=58400 Len=0
Frame 1 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SmcNetwo_4f:91:fe (xx:xx:xx:xx:xx:xx), Dst: AsustekC_33:d6:f6 (00:0e:a6:33:d6:f6)
Internet Protocol, Src: 83.138.190.203 (83.138.190.203), Dst: 192.168.2.101 (192.168.2.101)
Transmission Control Protocol, Src Port: www (80), Dst Port: 1240 (1240), Seq: 0, Ack: 0, Len: 0
No. Time Source Destination Protocol Info
2 0.043185 192.168.2.101 83.138.190.203 TCP 1240 > www [ACK] Seq=0 Ack=1 Win=229 Len=0
Frame 2 (54 bytes on wire, 54 bytes captured)
Ethernet II, Src: AsustekC_33:d6:f6 (00:0e:a6:33:d6:f6), Dst: SmcNetwo_4f:91:fe (xx:xx:xx:xx:xx:xx)
Internet Protocol, Src: 192.168.2.101 (192.168.2.101), Dst: 83.138.190.203 (83.138.190.203)
Transmission Control Protocol, Src Port: 1240 (1240), Dst Port: www (80), Seq: 0, Ack: 1, Len: 0
No. Time Source Destination Protocol Info
3 1.956742 192.168.2.101 xxx.xxx.xxx.xxx TCP 5968 > https [SYN] Seq=0 Len=0 MSS=1460 WS=5
Frame 3 (66 bytes on wire, 66 bytes captured)
Ethernet II, Src: AsustekC_33:d6:f6 (00:0e:a6:33:d6:f6), Dst: SmcNetwo_4f:91:fe (xx:xx:xx:xx:xx:xx)
Internet Protocol, Src: 192.168.2.101 (192.168.2.101), Dst: xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx)
Transmission Control Protocol, Src Port: 5968 (5968), Dst Port: https (443), Seq: 0, Len: 0
No. Time Source Destination Protocol Info
4 2.025313 xxx.xxx.xxx.xxx 192.168.2.101 TCP https > 5968 [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1460 WS=0
Frame 4 (66 bytes on wire, 66 bytes captured)
Ethernet II, Src: SmcNetwo_4f:91:fe (xx:xx:xx:xx:xx:xx), Dst: AsustekC_33:d6:f6 (00:0e:a6:33:d6:f6)
Internet Protocol, Src: xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx), Dst: 192.168.2.101 (192.168.2.101)
Transmission Control Protocol, Src Port: https (443), Dst Port: 5968 (5968), Seq: 0, Ack: 1, Len: 0
No. Time Source Destination Protocol Info
5 2.025391 192.168.2.101 xxx.xxx.xxx.xxx TCP 5968 > https [ACK] Seq=1 Ack=1 Win=5856 Len=0
Frame 5 (54 bytes on wire, 54 bytes captured)
Ethernet II, Src: AsustekC_33:d6:f6 (00:0e:a6:33:d6:f6), Dst: SmcNetwo_4f:91:fe (xx:xx:xx:xx:xx:xx)
Internet Protocol, Src: 192.168.2.101 (192.168.2.101), Dst: xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx)
Transmission Control Protocol, Src Port: 5968 (5968), Dst Port: https (443), Seq: 1, Ack: 1, Len: 0
No. Time Source Destination Protocol Info
6 2.027452 192.168.2.101 xxx.xxx.xxx.xxx SSLv2 Client Hello
Frame 6 (159 bytes on wire, 159 bytes captured)
Ethernet II, Src: AsustekC_33:d6:f6 (00:0e:a6:33:d6:f6), Dst: SmcNetwo_4f:91:fe (xx:xx:xx:xx:xx:xx)
Internet Protocol, Src: 192.168.2.101 (192.168.2.101), Dst: xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx)
Transmission Control Protocol, Src Port: 5968 (5968), Dst Port: https (443), Seq: 1, Ack: 1, Len: 105
Secure Socket Layer
No. Time Source Destination Protocol Info
7 5.027517 192.168.2.101 xxx.xxx.xxx.xxx SSLv2 [TCP Retransmission] Client Hello
Frame 7 (159 bytes on wire, 159 bytes captured)
Ethernet II, Src: AsustekC_33:d6:f6 (00:0e:a6:33:d6:f6), Dst: SmcNetwo_4f:91:fe (xx:xx:xx:xx:xx:xx)
Internet Protocol, Src: 192.168.2.101 (192.168.2.101), Dst: xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx)
Transmission Control Protocol, Src Port: 5968 (5968), Dst Port: https (443), Seq: 1, Ack: 1, Len: 105
Secure Socket Layer
No. Time Source Destination Protocol Info
8 5.085105 xxx.xxx.xxx.xxx 192.168.2.101 TCP [TCP Previous segment lost] https > 5968 [ACK] Seq=1030 Ack=106 Win=65430 Len=0
Frame 8 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SmcNetwo_4f:91:fe (xx:xx:xx:xx:xx:xx), Dst: AsustekC_33:d6:f6 (00:0e:a6:33:d6:f6)
Internet Protocol, Src: xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx), Dst: 192.168.2.101 (192.168.2.101)
Transmission Control Protocol, Src Port: https (443), Dst Port: 5968 (5968), Seq: 1030, Ack: 106, Len: 0
Any ideas anyone can give would be appreciated!
Jerry
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