Steps to reproduce:
1. Configure proxy in passive mode
2. Add monitored by proxy host
3. Observe Monitoring-> Latest data for the host
Result: ‘Last check’ field contain last connection time with proxy - OK
4. Administration-> Proxies
Result: ‘Last seen’ field value increasing every time. Field doesn’t updated after connection to proxy.
Expected: ‘Last seen’ value must be updated after connection to proxy.