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Hi thereI can't telnet from a host(Ubuntu 12.10) in our DMZ to an outside MX on port TCP 587. Inspection for ESMTP not enabled. Port 587 enabled for host in DMZ to any.Anyone has an idea why ? Best RegardsDavid
Hello TogetherWe run a proxy server in the DMZ of our ASA 5505. The ASA is connected to a cable modem. If we download something (microsoft downloads, etc.) the starts accurate with about 1,5 - 2,4 MB/sec then drops down to 300-400KB/sec. The same thi...
Hello TogetherAfter doing more reasearch with our ISP and on port 587, it seems that the port is not really listening.Earlier telnet tests to this port over other firewalls/internet lines have shown now with tcpview that thevirusscanner has redirecte...
Hi JulioYes but the reset belongs to the telnet to Port 465 and that works. From Port 587 i don't evenget a reset. I'm in contact now with our provider who says that they don't block any port, butalso can't telnet to Port 587 from a router in front o...
Hi JulioI did a capture with ASDM according to the following link:http://www.cisco.com/en/US/products/ps6120/products_tech_note09186a0080a9edd6.shtmlYes on the ingress the captured traffice is below and on the egress the packet capturing didn't show...
Hi JulioI did a capture. On the Ingress i did see the traffic, but on the engress i did not see any traffic.I will ask now the provider if they block that port. Best RegardsDavid
Hi Jouni- Realtime logs don't show anything.(Debugging mode)- Packet-tracert shows packet is allowed.But i don't get through. If I telnet to port 465, that works without problems, but 587 doesn't work. If i do a telnet on another internetline where ...
