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Ports  for local connections

Posted on 2003-03-17
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Last Modified: 2012-08-13
Does anyone know exactly what range of ports Exchange 5.5 sp4 on a Win2k sp3 server would listen on? 1259 or 1266  appear to be the regular ports but then the foreign local subnet ports are all different. Also, I have set up your standard security on the internet mail service (host and client that sucessfully authenticate) and the POP3 service. My netstat /an shows lots of pop3 connections when we only have about 5 active out there and setup.
Does this look normal or do I need to be looking for trojan issues or massive relaying problems?


Active Connections

  Proto  Local Address          Foreign Address        State
  TCP    0.0.0.0:25             0.0.0.0:0              LISTENING
  TCP    0.0.0.0:27             0.0.0.0:0              LISTENING
  TCP    0.0.0.0:110            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:119            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:135            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:143            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:389            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:445            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:593            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1050           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1060           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1062           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1109           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1249           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1251           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1259           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1261           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1266           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1268           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1277           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1279           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1296           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1542           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1744           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3372           0.0.0.0:0              LISTENING
  TCP    192.168.6.2:110        24.196.227.43:1885     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:3673     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4111     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4227     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4241     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4254     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4261     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4297     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4302     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4305     CLOSE_WAIT
  TCP    192.168.6.2:110        24.196.227.43:4311     CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50173   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50174   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50192   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50198   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50242   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50244   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50245   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50268   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50278   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50285   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50288   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50289   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50294   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50296   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50302   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50306   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50307   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50308   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50315   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50316   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50322   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50328   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50381   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50385   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50390   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50402   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50440   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50456   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50458   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50464   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50465   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50474   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50483   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50520   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50522   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50524   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50555   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50564   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50571   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50574   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50597   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50615   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50616   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50627   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50640   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50643   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50654   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50655   CLOSE_WAIT
  TCP    192.168.6.2:110        68.155.201.155:50658   CLOSE_WAIT
  TCP    192.168.6.2:110        192.168.6.9:4478       CLOSE_WAIT
  TCP    192.168.6.2:135        192.168.6.10:4796      ESTABLISHED
  TCP    192.168.6.2:139        0.0.0.0:0              LISTENING
  TCP    192.168.6.2:445        192.168.6.9:4509       ESTABLISHED
  TCP    192.168.6.2:563        0.0.0.0:0              LISTENING
  TCP    192.168.6.2:636        0.0.0.0:0              LISTENING
  TCP    192.168.6.2:993        0.0.0.0:0              LISTENING
  TCP    192.168.6.2:995        0.0.0.0:0              LISTENING
  TCP    192.168.6.2:1259       192.168.6.3:2528       ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.3:2540       ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.4:1228       ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.4:1238       ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.5:1037       ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.5:1045       ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.6:2031       ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.6:2039       ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.10:4958      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.10:4965      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.12:1469      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.12:1485      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.13:1041      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.13:1086      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.13:1092      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.13:1094      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.16:1035      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.16:1095      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.23:1029      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.23:1037      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.24:1155      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.24:1162      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.25:1483      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.25:1490      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.26:1423      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.26:1439      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.27:1029      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.27:1037      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.28:1054      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.28:1258      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.29:1071      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.29:1079      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.29:2889      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.30:1134      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.30:1148      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.31:1945      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.31:1953      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.32:4774      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.32:4782      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.34:1032      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.34:1044      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.35:3293      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.35:3301      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.36:1246      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.36:1263      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.38:1796      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.38:1804      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.39:1424      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.39:1432      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.43:1119      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.43:1127      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.44:3064      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.44:3088      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.48:1029      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.48:1037      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.49:1118      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.49:1126      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.50:1072      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.50:1080      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.53:2286      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.53:2293      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.54:1106      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.54:1327      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.56:2314      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.56:2326      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.57:1674      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.57:1705      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.59:2776      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.59:2788      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.60:1182      ESTABLISHED
  TCP    192.168.6.2:1259       192.168.6.60:1190      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.3:2534       ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.3:2546       ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.4:1224       ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.4:1232       ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.5:1041       ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.5:1049       ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.6:2035       ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.6:2043       ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.10:4962      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.10:4969      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.12:1473      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.12:1489      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.13:1047      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.13:1090      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.13:1096      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.13:1098      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.16:1040      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.16:1099      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.16:1368      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.16:1377      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.23:1033      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.23:1041      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.24:1159      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.24:1166      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.25:1487      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.25:1494      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.26:1427      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.26:1442      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.27:1033      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.27:1041      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.28:1050      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.28:1058      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.29:1075      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.29:1083      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.29:2893      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.29:2901      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.30:1127      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.30:1138      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.31:1949      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.31:1957      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.32:4778      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.32:4786      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.34:1038      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.34:1050      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.35:3297      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.35:3305      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.36:1254      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.36:1271      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.38:1800      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.38:1808      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.39:1428      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.39:1436      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.43:1123      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.43:1131      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.44:3058      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.44:3070      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.48:1033      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.48:1041      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.49:1122      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.49:1130      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.50:1076      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.50:1084      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.53:2290      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.53:2297      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.54:1110      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.54:1115      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.56:2320      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.56:2332      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.57:1668      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.57:1680      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.59:2782      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.59:2794      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.60:1186      ESTABLISHED
  TCP    192.168.6.2:1266       192.168.6.60:1194      ESTABLISHED
  TCP    192.168.6.2:1296       192.168.6.9:389        CLOSE_WAIT
  TCP    192.168.6.2:1621       0.0.0.0:0              LISTENING
  TCP    192.168.6.2:1621       192.168.6.9:139        ESTABLISHED
  TCP    192.168.6.2:1672       216.77.121.3:25        TIME_WAIT
  TCP    192.168.6.2:1674       207.69.200.104:25      TIME_WAIT
  TCP    192.168.6.2:1675       65.54.252.99:25        TIME_WAIT
  TCP    192.168.6.2:1677       216.230.64.10:25       TIME_WAIT
  TCP    192.168.6.2:1678       146.126.86.241:25      TIME_WAIT
  TCP    192.168.6.2:1681       204.127.198.6:25       TIME_WAIT
  TCP    192.168.6.2:1682       199.228.142.72:25      TIME_WAIT
  TCP    192.168.6.2:1744       209.228.4.160:25       ESTABLISHED
  UDP    0.0.0.0:135            *:*                    
  UDP    0.0.0.0:445            *:*                    
  UDP    0.0.0.0:1026           *:*                    
  UDP    0.0.0.0:1042           *:*                    
  UDP    0.0.0.0:1070           *:*                    
  UDP    0.0.0.0:1088           *:*                    
  UDP    0.0.0.0:1250           *:*                    
  UDP    0.0.0.0:1260           *:*                    
  UDP    0.0.0.0:1267           *:*                    
  UDP    0.0.0.0:1271           *:*                    
  UDP    0.0.0.0:1272           *:*                    
  UDP    0.0.0.0:1278           *:*                    
  UDP    0.0.0.0:1293           *:*                    
  UDP    0.0.0.0:1294           *:*                    
  UDP    0.0.0.0:1295           *:*                    
  UDP    0.0.0.0:1540           *:*                    
  UDP    0.0.0.0:1541           *:*                    
  UDP    0.0.0.0:1543           *:*                    
  UDP    0.0.0.0:4143           *:*                    
  UDP    192.168.6.2:137        *:*                    
  UDP    192.168.6.2:138        *:*                    
  UDP    192.168.6.2:500        *:*                    
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Question by:Premiernc
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5 Comments
 
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Accepted Solution

by:
David Wilhoit earned 500 total points
ID: 8154101
No different from NT4, unless you have installed this on a DC in Active directory. The odd numbered ports over 1023 are the RPC bindbacks to your clients, which is normal. Relaying should be locked down ASP, if you haven't done so already. I'm not sure I answered your question, be more specific if I did not.

D
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by:Premiernc
ID: 8154899
Thanks for answering. As far as security goes, I have setup the Mail server to be as secure as it lets you do without going so far as to not relay anything from the outside world. I do have a few pop3 clients out there that need to relay through this server. Are all these connections to port 110 normal? Why do they not time out at 10 minutes like I have set in the server setup?

POP3 security set to windows challenge response only
IMS set to hosts and clients that succesfully authenticate.
0
 
LVL 24

Expert Comment

by:David Wilhoit
ID: 8156281
"ping -a 68.155.201.155

Pinging adsl-155-201-155.asm.bellsouth.net [68.155.201.155] with 32 bytes of dat
a:

Reply from 68.155.201.155: bytes=32 time=88ms TTL=44
Reply from 68.155.201.155: bytes=32 time=76ms TTL=44
Reply from 68.155.201.155: bytes=32 time=76ms TTL=44
Reply from 68.155.201.155: bytes=32 time=76ms TTL=44

Ping statistics for 68.155.201.155:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 76ms, Maximum = 88ms, Average = 79ms"

All those connections came from a DSL modem, And since there's not much in the way of mail servers on a DSL, my guess is that this is probably your end user, and not a spammer.

Don't know why they don't time out, can't answer that one for you.

D
0
 
LVL 1

Author Comment

by:Premiernc
ID: 8162857
Thanks,
I disabled th POP3 protocol in Exchange and all the connections went away. Then they just came right back the next day. Does this protocol get overloaded or timeout and just stop responding?
0
 
LVL 24

Expert Comment

by:David Wilhoit
ID: 8163650
nope, not that I've seen, but I'm sure that it could be done is someone tried.
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