Why does netstat show 0.0.0.0

I have also noticed the following: UDP 0. LPChip You are mistaken. However since the local address of that socket is IPv4 only, then the remote address has to be IPv4 as well.

Show 1 more comment. Active Oldest Votes. For the most part however, people use :: to represent a contiguous string of 0's.

In an IPv6 address, any sequence of contiguous zeros can be replaced with :: so: 0. Improve this answer. Frank Thomas Frank Thomas So which is it? Both sockets mentioned in the question are IPv4-only. You can see that from the local address assigned to each socket. As such mentioning IPv6 is not relevant to the question. IPv6 isn't relevant to this question at all. This answer is totally wrong for the question asked. As kasperd's comment notes and hobbs's comment too , IPv6 is unrelated to the question.

The question is about what we see in the Foreign Address column, which corresponds to what is in the same row s in the Local Address column, which is IPv4. Show 5 more comments. The : refers to a port which is part of the Transport Layer. For TCP it makes sense that there is a remote end for a connection. The Overflow Blog. Does ES6 make JavaScript frameworks obsolete? Podcast Do polyglots have an edge when it comes to mastering programming Featured on Meta.

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Search Advanced…. New posts. Search forums. Thread starter Start date Sep 8, JavaScript is disabled. So, if your webserver machine has two IP addresses, But only to what can contact those IP addresses and the web port s. Note that, in a different context routing 0. When a service is listening on 0. The IP address 0. From RFC , Section 3. Just that, "this host on this network" Hosting a service on 0. A datagram sent by a higher-level protocol to an address anywhere within this block loops back inside the host.

This is ordinarily implemented using only As described in [RFC], Section 3. The difference between 0. Any traffic sent to the loopback device is immediately received on it. It's not so much that the loopback network "refers" to your own host In simple terms: Listening on 0. Sign up to join this community.

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