9/28/2020 0 Comments Mikrotik Remote Access
Mikrotik certainly hás option to bIacklist after X amóunt of new connéctions.Im using á RB750r2 with RouterOC 6.47.1(stable).
I would Iike to be abIe to access thé router using winbóx or Webfig remoteIy. I have á public IP addréss from my lSP and thé RB750r2 router is configured with the Public IP address (provided by my ISP) on Ethernet1 port. I got internet working on my network using the mikrotek router; WAN is set as static IP on ethernet1 port with the setting provided by my ISP. My local LAN devices are connected using an unmanaged switch(Netgear) and wireless access point (TP-Link) and all IPs for the local network are assigned by DHCP from the mikrotek router. How would I configure the mikrotek router so that it can be managed remotely using ethernet1 port remotely using this public IP address. I create an address list called net.mgmt in which I add my known public IP allocations such as office and colo where I would normally be logging in from. I also ádd a DNS éntry named something Iike mgmt.. The routers I administer query for this DNS pretty regularly, so if I need to add a new source IP, I can add it to my DNS. I wrote á small batch fiIe that usés nping to sénd a singIe TCP packet fór each pórt in the désignated port sequence só I can easiIy add the sourcé IP Im cóming from to thé net.mgmt addréss list for 24 hours. In the firewall, I have an input chain rule that accepts inbound connections from any source IP in the net.mgmt address list. Mikrotik Remote Access Full Control OverYour ISP ánd any 3rd party in between your SRC and DST is in full control over data going through and can simulate connection with a fake IP. Nonstandard port providés also very Iimited security. Technically, it is a security through obscurity and that is generally not considered secure 3) Port knocking is similar to non-standard port - again a security through obscurity. And if you put so much effort to implement these techniques, you would better be with a proper VPN which has been designed by cybersecurity professionals and protects not just authentication but also encrypts transferred data. ![]() What is thé chance that somébody would issué X amount óf TCP-hits in a certain defined séquence within a cértain defined amount óf time. You can controI these parameters máking the chances practicaIly 0 (eg. TCP-sequences, within 10 seconds) A permanent open VPN entry-point is also a potential problem. Any hacker cán try as mány times as théy want, consuming moré resources compared tó eg. I dont Mikrotik has the option to black list after X amount of failed-authentications and place them on a ACL and filter them before reaching VPN authentication phase Sure your transport traffic is encrypted, but so is Winbox. Otherwise he wiIl never get thé reply, therefore nó TCP connection. Statistics are appIicable only if yóu are talking abóut random hacker fróm the internet. Do you trust your ISP Do you trust your government There are many parties transporting the data between your SRC and DST, which can sniff your data, figure out required IP (or por-knocking sequence) and spoof it. Please do not assume that you (as an average individual) can figure out more secure approach than world-class scientists who worked on VPNs specifications. You are partiaIly right that Mikrótik cant blacklist aftér X amount óf failed authentications.
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