Since OctaGate Switch acts as an intermediate, the web server will not report the correct IP address of the client - it will always report the IP address of the OctaGate Switch server. However, OctaGate stores the IP address of the caller in a custom server variable called "OGCallerIP".
Note that if you're using ASP pages, you must refer to the header as "HTTP_OGCALLERIP".
OctaGate Switch adds three headers, these are;
| Server Variable | Description |
| OGCALLERIP | The IP of the actual client making the request. |
| OGORIGURL | Since OctaGate Switch can perform URL rewriting, it can sometimes be useful to keep track of the actual URL that the user requested. |
| OGHOPCOUNT | An internal header that OctaGate Switch uses to prevent users from creating circular references between domains. |
These are the results that OctaGate Switch have created for this session;
| Server Variable | Value |
| Request.ServerVariables("HTTP_OGCALLERIP") | |
| Request.ServerVariables("HTTP_OGORIGURL") | |
| Request.ServerVariables("HTTP_OGHOPCOUNT") |
Here's a list of all server variables that have been reported to this asp session;
| Server Variable | Value |
| ALL_HTTP | HTTP_ACCEPT:*/* HTTP_ACCEPT_ENCODING:gzip, br, zstd, deflate HTTP_HOST:www.octagate.com HTTP_USER_AGENT:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) |
| ALL_RAW | Accept: */* Accept-Encoding: gzip, br, zstd, deflate Host: www.octagate.com User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) |
| APPL_MD_PATH | /LM/W3SVC/7/ROOT |
| APPL_PHYSICAL_PATH | C:\inetpub\OctaGate\ |
| AUTH_PASSWORD | |
| AUTH_TYPE | |
| AUTH_USER | |
| CERT_COOKIE | |
| CERT_FLAGS | |
| CERT_ISSUER | |
| CERT_KEYSIZE | |
| CERT_SECRETKEYSIZE | |
| CERT_SERIALNUMBER | |
| CERT_SERVER_ISSUER | |
| CERT_SERVER_SUBJECT | |
| CERT_SUBJECT | |
| CONTENT_LENGTH | 0 |
| CONTENT_TYPE | |
| GATEWAY_INTERFACE | CGI/1.1 |
| HTTPS | off |
| HTTPS_KEYSIZE | |
| HTTPS_SECRETKEYSIZE | |
| HTTPS_SERVER_ISSUER | |
| HTTPS_SERVER_SUBJECT | |
| INSTANCE_ID | 7 |
| INSTANCE_META_PATH | /LM/W3SVC/7 |
| LOCAL_ADDR | 192.168.0.3 |
| LOGON_USER | |
| PATH_INFO | /ogcallerip.asp |
| PATH_TRANSLATED | C:\inetpub\OctaGate\ogcallerip.asp |
| QUERY_STRING | |
| REMOTE_ADDR | 18.226.251.231 |
| REMOTE_HOST | 18.226.251.231 |
| REMOTE_USER | |
| REQUEST_METHOD | GET |
| SCRIPT_NAME | /ogcallerip.asp |
| SERVER_NAME | www.octagate.com |
| SERVER_PORT | 80 |
| SERVER_PORT_SECURE | 0 |
| SERVER_PROTOCOL | HTTP/1.1 |
| SERVER_SOFTWARE | Microsoft-IIS/10.0 |
| URL | /ogcallerip.asp |
| HTTP_ACCEPT | */* |
| HTTP_ACCEPT_ENCODING | gzip, br, zstd, deflate |
| HTTP_HOST | www.octagate.com |
| HTTP_USER_AGENT | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) |
This code from http://www.4guysfromrolla.com/, specifically http://www.4guysfromrolla.com/webtech/092298-3.shtml.
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