Parsing - what could be the problem?

Question

Parsing

Hello. There is a parser Avito on a server. When Avito gave a ban, I temporarily hung a proxy on curl and it worked fine (until the ban went away).
As of right now, it returns false on startup. I immediately thought that ban. Began to hang up a proxy and nothing.
Then I remembered that if the result in curle was displayed on the screen, then earlier when I was banned, Avito always informed me that I had a ban, which was removed by entering captcha or after 30-60 minutes, but now nothing is even displayed on the screen .. It
immediately arises question: can the hoster prohibit sending requests to Avito's Ip?

Answer 1

Curl has verbose