![]() ![]() If your intention is not to have an open dns server, then put a restriction in your dns configuration so that only allowed hosts can use the server for recursive dig NS dig +trace NS Now the question is who is querying your server -ġ.Legitimate internal users/Apps - I would not worry about this.Ģ.Not authorized external users - Your dns servers should allow resolving only for domains that they are authoritative for. Doing 'dig +trace' shows two NS records for the domain, but if you query those domains, there is no response. The reason it is failing is the NS servers for '' are not properly setup. Most certainly your server is trying to resolve '' and it is failing. To get rid of the above, I added: additional-from-cache no Once I did this, I am now seeing the following in syslog: Mar 4 00:02:21 mail named: client 127.0.0.1#42139: query (cache) '24.124.41./PTR/IN' denied The device stopped attempting to contact China about an hour later. I have China, and Twian blocked using country blocking. I've tried the following now in to block recursion. unexpected RCODE (REFUSED) resolving '104.76./PTR/IN': 202.103.224.6953. My research has lead me to disable IPv6 when starting the named. REJECT all - anywhere anywhere reject-with icmp-port-unreachable Im getting what appears to be a common error (unexpected RCODE REFUSED) resolving error. LOG all - anywhere anywhere limit: avg 5/min burst 5 LOG level debug prefix "iptables denied: " REJECT all - anywhere loopback/8 reject-with icmp-port-unreachableĪCCEPT all - anywhere anywhere state RELATED,ESTABLISHEDĪCCEPT tcp - anywhere anywhere tcp dpt:httpĪCCEPT tcp - anywhere anywhere tcp dpt:httpsĪCCEPT tcp - anywhere anywhere state NEW tcp dpt:sshĪCCEPT udp - anywhere anywhere udp dpt:domainĪCCEPT tcp - anywhere anywhere tcp dpt:domainĪCCEPT icmp - anywhere anywhere icmp echo-request My iptables reads: Chain INPUT (policy ACCEPT) I have checked my forwarders in nf, and none of them match the IPs showing in the logs (they are all basically different IPs, not just 193.95.142.60). Why would my bind setup be trying to resolve (it's not my domain, nothing to do with me).is there anything I can do firewall-wise or bind config to stop this?.In today's syslog, there are 144258 instances of this, all related to. I am having a problem with traffic bandwidth, and my syslog is full of the following type of issue: error (unexpected RCODE REFUSED) resolving '/AAAA/IN': 193.95.142.60#53Įrror (unexpected RCODE REFUSED) resolving '/A/IN': 2001:7c8:3:2::5#53 Last on October 22nd.I have a website which I host myself, and I use bind9 as my DNS server (host my own nameservers etc.). UnsupportedResponseMode - The app returned an unsupported value of responsemode when requesting a token. It still worked with the previous update. Go to Azure portal > Azure Active Directory > App registrations > Select your application > Authentication > Under Implicit grant and hybrid flows, make sure ID tokens is selected. ![]() Oct 31 23:33:24 named: client 45.67.156.199#39856 (): query (cache) ‘/MX/IN’ denied Few issues: use dig for troubleshooting, and not nslookup and always specifically provide the ip address of the nameserver you are querying such as 127.0.0.1 even more so since your snippet says SERVER: 192.168.0.3 which is not in line with your preamble speaking about 127.0.0. ![]() DNS resolution, such as the recursive lookups performed on behalf of. Oct 31 23:33:24 named: REFUSED unexpected RCODE resolving ‘.pgaming.hu/AAAA/IN’: 87.229.71.37#53 Similarly, the listen-on option will cause the server to refuse queries on any of. Not syncing master to slave dns server error: Last updated hestiacp (v1.4.17) master and slave is.ĭebian 9 64Bit, api allowed, api_allowed_ip: allow-all ![]()
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