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Note unicast and ICMP not available

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2025-12-11 23:17:33 -05:00
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manage/resources/private/destinations.mdx
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@@ -24,4 +24,12 @@ When defining a Resource with a CIDR range, all IP addresses within that range w
Pangolin smooths away overlapping networks and arbitrarily chooses a single site to resolve the IP address or range to. This is because we want connection requests to any Resource to be as simple as possible for the end users: when they connect to a particular IP address or FQDN, Pangolin figures out which site to send it to and the end user never needs to figure this out.
It is recommended that you create overlapping resources only if absolutely required. If you do, use [Aliases](/manage/resources/private/alias) to explicitly defined which host should be used for a given FQDN or IP address and use the alias to connect.
It is recommended that you create overlapping resources only if absolutely required. If you do, use [Aliases](/manage/resources/private/alias) to explicitly defined which host should be used for a given FQDN or IP address and use the alias to connect.
## Why is ICMP Pinging Not Working?
Because Newt sites are proxying traffic out of the secure tunnel, ICMP needs to be handled specially just like UDP and TCP. Right now, ICMP **is not supported** through the Pangolin client. If you need to ping hosts on the remote network, consider using TCP or UDP-based tools like `hping3` or `nping` as alternatives. We plan to add ICMP support in a future release.
## Unicast Only?
Right now unicast TCP and UDP traffic is supported through the Pangolin client. Multicast and broadcast traffic is not supported at this time.