Response Codes
Learn about the common response codes and errors for Dedicated ISP Proxies and their meaning.
These are the most common response codes you can get while using our Dedicated ISP Proxies.
407
Proxy Authentication Required
User credentials are not provided / are incorrect / the user is connecting from an IP that is not whitelisted.
504
Gateway Timeout
A proxy server timed out, waiting for a response from the target server. It usually takes about 60s.
503
Service Unavailable
Failed to connect to the target server. DNS failure to resolve the target server address.
404
Not Found
The domain specified could not be found.
500
Internal Server Error
We had a problem with our server. Try again later.
429
Too Many Requests
User has reached the thread/concurrent session limit.
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