Problem: I cannot connect to https://amps.dla.mil from my my office network. (Connection times out from all computers and different web browsers, no outbound firewall rules)
I can connect from my home network (though I do get SSL cert warnings)
Here's what I've tried:
HideMyAss.com Web Proxy: Works from my home network. Does NOT work from my office network
Free proxy from HidMyAss.com set in browser (204.12.223.170:3128): Does NOT work from my home OR office networks! (other HTTPS sites work fine)
tracert: tracert results are similar from both my home and office networks so the hostname is being resolved and the request is getting out onto the internet
Fiddler: Here is the raw request and response using Fiddler on a computer in my office network:
CONNECT amps.dla.mil:443 HTTP/1.1 User-Agent: Mozilla/5.0 (Windows NT 5.2; rv:22.0) Gecko/20100101 Firefox/22.0 Connection: keep-alive Connection: keep-alive Host: amps.dla.mil
A SSLv3-compatible ClientHello handshake was found. Fiddler extracted the parameters below.
Version: 3.1 (TLS/1.0) Random: 51 E0 6B B7 22 DB 5B DA 03 EE 71 53 8A 33 5B 21 5E 27 F3 44 58 A8 B1 AD B2 48 F3 26 B8 DB 8A 7F SessionID: empty Extensions: server_name amps.dla.mil elliptic_curves 00 06 00 17 00 18 00 19 ec_point_formats 01 00 SessionTicket TLS empty NextProtocolNegotiation empty Ciphers: [00FF] TLS_EMPTY_RENEGOTIATION_INFO_SCSV [C00A] TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA [C014] TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA [0088] TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA [0087] TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA [0039] TLS_DHE_RSA_WITH_AES_256_SHA [0038] TLS_DHE_DSS_WITH_AES_256_SHA [C00F] TLS_ECDH_RSA_WITH_AES_256_CBC_SHA [C005] TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA [0084] TLS_RSA_WITH_CAMELLIA_256_CBC_SHA [0035] TLS_RSA_AES_256_SHA [C007] TLS_ECDHE_ECDSA_WITH_RC4_128_SHA [C009] TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA [C011] TLS_ECDHE_RSA_WITH_RC4_128_SHA [C013] TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA [0045] TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA [0044] TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA [0033] TLS_DHE_RSA_WITH_AES_128_SHA [0032] TLS_DHE_DSS_WITH_AES_128_SHA [C00C] TLS_ECDH_RSA_WITH_RC4_128_SHA [C00E] TLS_ECDH_RSA_WITH_AES_128_CBC_SHA [C002] TLS_ECDH_ECDSA_WITH_RC4_128_SHA [C004] TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA [0096] TLS_RSA_WITH_SEED_CBC_SHA [0041] TLS_RSA_WITH_CAMELLIA_128_CBC_SHA [0005] SSL_RSA_WITH_RC4_128_SHA [0004] SSL_RSA_WITH_RC4_128_MD5 [002F] TLS_RSA_AES_128_SHA [C008] TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA [C012] TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA [0016] SSL_DHE_RSA_WITH_3DES_EDE_SHA [0013] SSL_DHE_DSS_WITH_3DES_EDE_SHA [C00D] TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA [C003] TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA [FEFF] SSL_RSA_FIPS_WITH_3DES_EDE_SHA [000A] SSL_RSA_WITH_3DES_EDE_SHA
Compression: [00] NO_COMPRESSION
HTTP/1.1 200 Connection Established
FiddlerGateway: Direct
StartTime: 16:48:55.192
Connection: close
fiddler.network.https> Failed to secure existing connection for amps.dla.mil. Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. InnerException: System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host
at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
Is the website in question doing something strange? I don't understand why I can't access it from my home network through the above proxy.
How can I even go about troubleshooting this issue further? I figured the next step would be to call my ISP but I'd like to be able to intelligently explain what's going on.