![]() ![]() Make sure curl is installed by running sudo apt-get install curl Run the following command: sh -c "$(curl -sL nextdns. All being well, you can configure the DHCP server on the UDM to configure itself as the DNS server for its DHCP clients. Check the content with: cat /run//conditional_dns.conf Now restart the UDM and repeat the checks that the file is there and has the correct content. Check for your new config in the /run// directory.Can someone please share with me what they have set for LAN and WAN dns settings? Also would appreciate any words of experience around this issue too. Enable JavaScript to continue.iPhone/Laptop -> UDM Pro -> NextDNS Cli -> internet -> As I said before, I think this might have a lot to do with my Unifi-OS configuration. To get the Unifi box to steer traffic to the listener, you have to create firewall rules for now. If you notice any errors, please contact us.Nextdns unifi osThere is no "install", you download the correct binary to the router, and run it. This entry was posted in Monitoring and tagged Debian, LPIC-3, Mikrotik, NetFlow, Ntop. Find out where dot is: # which dotĪnd create a symlink (or alternatively edit preferences under # ln -s /usr/bin/dot /usr/local/bin/dot This may occur trying to use a “Local Network Traffic Map” when dot is not found. ![]() # chown -R ntop /usr/local/var/ntop/rrd/ ERROR: Missing dot tool (expected /usr/local/bin/dot). The directory may not exist, so create it and change ownership to ntop user: # mkdir /usr/local/var/ntop/rrd Make sure ntop user is the owner of the directory (so can write to it): # chown ntop /usr/local/var/ntop **ERROR** RRD: Disabled – unable to create base directory (err 13, /usr/local/var/ntop/rrd) Web reports include only interface "Mikrotik" Troubleshooting Usage **WARNING** INIT: Unable to create pid file (/usr/local/var/ntop/ntop.pid) # iptables -A INPUT -s 10.132.1.0/24 -p tcp -m multiport -dport 3000,3001 -j ACCEPT Ntop WebUI Report Configure Iptables on Debian # iptables -A INPUT -s 10.132.1.1/32 -p udp -dport 2055 -j ACCEPT That’s it, now we have to wait a couple of minutes and review data in the ntop web interface. Print target configuration: ] /ip traffic-flow target> print Print current configuration: ] /ip traffic-flow> printĪdd NetFlow target (our Debian machine): ] /ip traffic-flow> /ip traffic-flow target ] /ip traffic-flow> set enabled=yes interfaces=all Virtual NetFlow Interface Network Address: 10.132.1.0/24 (change appropriately!)Įnable and Configure NetFlow on Mikrotik RouterOSĮnabling traffic flow on the Mikrotik can be done via SSH: ] > /ip traffic-flow.Open NetFlow configuration panel: “Plugins” -> “NetFlow” -> “Configure”.Ĭlick Add NetFlow Device and fill in the following: Active NetFlow plugin: “Plugins” -> “NetFlow” -> “Activate”. Update links and cache to the shared libraries: # /sbin/ldconfig Enable and Configure NetFlow Plugin on Ntop If you get the error message below when launching ntop: error while loading shared libraries: libntopreport-5.0.1.so: cannot open shared object file: No such file or directory Also note that port 3001 needs to opened on a firewall if public access is needed. Use man ntop for more command line options if needed. W : starts an embedded ntop web server for HTTPS u : the user ntop should run as after it initialises (but must be started as root) i : specifies the network interface to use c : prevent idle hosts from being purged from memory Update links and cache to the shared libraries: # /sbin/ldconfig Start Ntop as a Daemon # ntop -cd -i eth0 -u ntop -W 0.0.0.0:3001 -m 10.132.1.0/24 autogen.shĬreate a new system account for ntop: # useradd -r -s /bin/false ntopĬhange ownership appropriately: # chown -R ntop:ntop /usr/local/share/ntop /usr/local/lib/ntop /usr/local/var/ntop Graphviz rrdtool librrd-dev Ntop Installation via Source CodeĮxtract the archive: # tar xvfz ntop-5.0.1.tar.gz
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