To configure a global deny statement for all your policy entries the following commands are used. set groups global-policy security policies from-zone <*> to-zone <*> policy default-logdrop match source-address any set groups global-policy security policies from-zone <*> to-zone <*> policy default-logdrop match destination-address any set groups global-policy security policies from-zone <*> to-zone <*> policy default-logdrop … Read more
Below details the nessecary commands required to enable global logging on all security policies. set groups global-logging security policies from-zone <*> to-zone <*> policy <*> then log session-initset security policies apply-groups global-logging
By default IPv4 Path MTU is enabled. However all PMTU options can be located under [set system internet-options ….]. root@srx100# set system internet-options ?Possible completions:+ apply-groups Groups from which to inherit configuration data+ apply-groups-except Don’t inherit configuration data from these groups gre-path-mtu-discovery Enable path MTU discovery for GRE tunnels> icmpv4-rate-limit Rate-limiting parameters for ICMPv4 messages> … Read more
Within this article we will show the required commands to restrict and secure management access to your Juniper SRX series gateway. Note : The following syntax/configuration has been tested with a PPPoE setup. Configure Addresses First of all the addresses that are allowed management access to the device are configured. This also includes any DNS … Read more
Curl is a tool to transfer data from or to a server, using one of the supported protocols (HTTP, HTTPS, FTP, FTPS, TFTP, DICT, TELNET, LDAP or FILE) and is designed to work without user interaction. Below shows some useful examples: Total Retrieval Time [root@webserver1 ~]# curl -s -w “%{time_total}\n” -o /dev/null www.bbc.com 0.196 Host … Read more
This example will provide the required configuration to allow a single IP address access to TCP port 80 when the HTTP Host Header matches either EXAMPLE1.DOMAIN.net or EXAMPLE2.DOMAIN.net. Note : In addition to the commands below you will also need to grant the relevant access via your interface based ACL`s. This is because your HTTP traffic … Read more
Below provides the basic commands for configuring the date, time and NTP on your Juniper SRX gateway. Configure the Time Zone system time-zone Europe/London Configure NTP set system ntp server 0.uk.pool.ntp.org preferset system ntp server 1.uk.pool.ntp.orgset system ntp server 2.uk.pool.ntp.org Set the Time/Date set date ntp 0.uk.pool.ntp.org Confirm user@switch> show ntp statusstatus=0644 leap_none, sync_ntp, 4 … Read more
Within this article destination NAT is configured to port forward traffic through to multiple servers based upon the destination port. This type of NAT configuration is equivalent to a ScreenOS VIP. This example syntax is based upon the following setup : 172.16.1.2:2222 –> 192.168.1.5:22172.16.1.2:3389 –> 192.168.1.6:3389 Configure Address Book First the real addresses … Read more
The other day I was faced with the problem of determining the networking bandwidth of a Linux system via just the shell. After some googling and some head scratching I eventually came up with the following command. echo “scale=2; `curl –progress-bar -w “%{speed_download}” http://speedtest.wdc01.softlayer.com/downloads/test10.zip -o test.zip` / 131072″ | bc | xargs -I {} echo … Read more
Issue VPN fails to route traffic through to the tunnel interface when using Route Based VPN upon a SRX platform. The following is observed : Both Phase 1 and Phase 2 is successfully establishing. Traffic is being received inbound from the Remote Peer and decypted successfully. Multiple VPN policies are assigned to a single tunnel … Read more