[squid-users] LOOP forwarded detected.

here is cache.log of my squid, does anybody know whats my problem?
after this warning message my squid runs in a very low performance.

001/09/10 11:26:00| clientSendMoreData: Deferring http://www.konkoor.com/images/index/top2.gif
2001/09/10 11:32:44| WARNING: Forwarding loop detected for:
GET /update/4ecalls.ips HTTP/1.0
Via: 1.0 cache:8080 (Squid/2.3.STABLE4)
X-Forwarded-For: 62.41.68.46
Host: 62.41.68.4
Cache-Control: max-age=259200
Connection: keep-alive

2001/09/10 11:57:13| clientKeepaliveNextRequest: FD 134 Sending next
2001/09/10 11:57:16| clientSendMoreData: Deferring http://www.konkoor.com/indexfiles/midi.swf
2001/09/10 11:57:20| clientKeepaliveNextRequest: FD 134 Sending next
2001/09/10 12:44:10| parseHttpRequest: Unsupported method 'ICSP/1.2'
2001/09/10 12:44:10| clientReadRequest: FD 66 Invalid Request
2001/09/10 12:44:27| parseHttpRequest: Unsupported method 'ICSP/1.2'
2001/09/10 12:44:27| clientReadRequest: FD 59 Invalid Request
2001/09/10 13:05:08| parseHttpRequest: Unsupported method 'ICSP/1.2'
2001/09/10 13:05:08| clientReadRequest: FD 107 Invalid Request
2001/09/10 13:07:14| WARNING: Forwarding loop detected for:
POST /GM HTTP/1.0
Content-Length: 84
Via: 1.0 cache:8080 (Squid/2.3.STABLE4)
X-Forwarded-For: 62.41.68.30
Host: 62.41.68.4
Cache-Control: max-age=259200
Connection: keep-alive

2001/09/10 13:07:19| WARNING: Forwarding loop detected for:
POST /GM HTTP/1.0
Content-Length: 92
Via: 1.0 cache:8080 (Squid/2.3.STABLE4)
X-Forwarded-For: 62.41.68.30
Host: 62.41.68.4
Cache-Control: max-age=259200
Connection: keep-alive

2001/09/10 13:07:48| WARNING: Forwarding loop detected for:
POST /GM HTTP/1.0
Content-Length: 91
Via: 1.0 cache:8080 (Squid/2.3.STABLE4)
X-Forwarded-For: 62.41.68.30
Host: 62.41.68.4
Cache-Control: max-age=259200
Connection: keep-alive

2001/09/10 13:09:07| WARNING: Forwarding loop detected for:
POST /GM HTTP/1.0
Content-Length: 89
Via: 1.0 cache:8080 (Squid/2.3.STABLE4)
X-Forwarded-For: 62.41.68.30
Host: 62.41.68.4
Cache-Control: max-age=259200
Connection: keep-alive
Received on Wed Sep 26 2001 - 03:56:34 MDT