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prosodyctl: check dns: List discovered addresses for diagnostic purposes

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It is very common to get the "unknown address" warning with this command, but
people do not always understand it, or know how to debug it. Now we clearly
show the addresses that prosodyctl discovered.
This commit is contained in:
Matthew Wild 2022-03-02 16:02:42 +00:00
parent 7198c65a15
commit 79d9ce56ac
1 changed files with 16 additions and 0 deletions
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16
util/prosodyctl/check.lua
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@ -560,6 +560,8 @@ local function check(arg)
return (n:gsub("%.$", ""));
end
local unknown_addresses = set.new();
for jid, host_options in enabled_hosts() do
local all_targets_ok, some_targets_ok = true, false;
local node, host = jid_split(jid);
@ -742,6 +744,7 @@ local function check(arg)
print(" "..target_host.." A record points to internal address, external connections might fail");
else
print(" "..target_host.." A record points to unknown address "..record.a);
unknown_addresses:add(record.a);
all_targets_ok = false;
end
end
@ -760,6 +763,7 @@ local function check(arg)
print(" "..target_host.." AAAA record points to internal address, external connections might fail");
else
print(" "..target_host.." AAAA record points to unknown address "..record.aaaa);
unknown_addresses:add(record.aaaa);
all_targets_ok = false;
end
end
@ -805,6 +809,18 @@ local function check(arg)
print("");
end
if not problem_hosts:empty() then
if not unknown_addresses:empty() then
print("");
print("Some of your DNS records point to unknown IP addresses. This may be expected if your server");
print("is behind a NAT or proxy. The unrecognized addresses were:");
print("");
print(" Unrecognized: "..tostring(unknown_addresses));
print("");
print("The addresses we found on this system are:");
print("");
print(" Internal: "..tostring(internal_addresses));
print(" External: "..tostring(external_addresses));
end
print("");
print("For more information about DNS configuration please see https://prosody.im/doc/dns");
print("");