The Packets, Life and everything
Some Notes about OpenSSH configuration that comes in handy for me. This is have settings applied on Host or Domain base, use jump servers where needed, find the console for a device or use deprecated encryption when needed. Basic Options Host Hostname Port User Apply Settings per domain Host *. Protocol 2 TCPKeepAlive yes ServerAliveInterval …
Tests is there someone listening netstat -an | findstr 0.0.0.0:80 TCP 0.0.0.0:80 0.0.0.0:0 LISTENING UDP 0.0.0.0:80 *:* Powershell port test Test-NetConnection -ComputerName "10.55.113.101" -Port 80 -InformationLevel "Detailed" Lookup soure interface get router info routing-table details 10.255.2.250 Lookup the policy diagnose firewall iprope lookup 10.255.2.250 30000 10.137.2.104 80 tcp port1 matches policy id: 1039431 The policy …
It is a good idea to do basic DoS Protection, even internaly. Configuring DoS policyVerificationdiagnose ips anomaly listReleasing the blocked sendersdiagnose ips anomaly clearLinks Configuring DoS policy This will configure a basic DoS Policy for Traffic with default values and block violations for 2 Minutes. config firewall DoS-policy edit 1 set name "ALL DoS-Policy" set …
Sometimes there is the need to have an forwarding only name server. named.conf/etc/resolv.confDocker enviroments named.conf controls { net 127.0.0.1 allow { localhost; } keys { "rndc-key"; }; }; key "rndc-key" { algorithm "hmac-md5"; secret "somesecret-for-rndc"; }; options { directory "/etc/named.d"; listen-on { 127.0.0.1; }; max-cache-ttl 600; max-ncache-ttl 300; forward only; forwarders { <IP of SERVER1>; …
Continue reading "Bind9 – Caching only DNS Server with Logging"
After the implementation of the AnyConnect Client to our ASA5500 is at a good state i want to have some backup until our productional hardware will delivered. 😉 So i decided to use one of our Cisco 3845 Routers to do the job. show version First i installed the AnyConnect Package on the Router. If …
Some Notes what todo http://www.block.net.au/blogs/james/pages/active-directory-vpn-authentication-with-a-cisco-asa-5510-series-appliance.aspx radius authentication für die ASA ASA 8.X: AnyConnect Start Before Logon Feature Configuration Configuration Examples and TechNotes ToDo: av-pairs ???? certificate selection process certifate import on cli / asdm  /ios set the certificate on the interface : ssl trust-point MyTrustPoint Outside Docu: Backup Gateway Piuctures: ASDM, CCP Write complete setup …
AnyConnect and Cisco ACS Radius is a bit more complected because the ASA5500 documentation states that you can not use the Same Radius for Authentication and Authorization. So things getting more complex by it self 😉 But if i see things in the right light we don't need authorization at all so we will on …
Continue reading "How to authentication AnyConnect VPN against RADIUS"
First you have to add a valid Certificate to the ASA, then change following in the configuration. Then you can connect to the asa only with username and a user certificate. Flickr : AnyConnect, Cisco, SSLVPN, Security, UMTS, VPN
How to authentication AnyConnect VPN against Tacacs+ The Authentication against Tacacs+ is quiet easy to configure. Just add the Tacacs+ Servers as described here.Than add following to the configuration: If you feel this helps a bit or may be not ? Please leave a comment. Photo by fabio on Unsplash
So i was testing some stuff with the Authentication on the ASA Firewall and the AnyConnect client in the last days. So i feel it is time to write things down a little bit. First i discovered we have the same problem with Windows 7 Firewall. Windows is not detecting the Interface so the Firewall …
Continue reading "How to configure Cisco ASA 5500 for AnyConnect Client"
As i former described we have problems with the Cisco IPSec VPN Client and WWAN Cards. So we are testing the AnyConnect Client. We are now faceing some common problems with both clients. We discovered that the Network adapter created by the Cisco IPSec VPN Client (Version 5.0.07.0290) and also the Cisco AnyConnect SSL VPN …
Continue reading "Cisco VPN Clients are not recognized by Windows 7 Firewall"
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