Archive for the ‘Firewall’ Category

JunOS: Cleanup Storage Space

Sometimes you will want to install a switch or router update, and you will find that there is not enough space: root@Switch01> request system software add /var/tmp/ex-2300-18.3R1.9.tgz reboot ERROR: estimate of space required: 115 Mbytes, available: 89 Mbytes One option is to request a ‘cleanup’. The dry-run option below lists the files that are candidates to be […]

Troubleshooting a Site to Site VPN on a SRX

1. Confirm Configuration First of all check the VPN configuration. This is also useful if and when you need to confirm the Phase 1 and Phase 2 parameter’s with the remote end. admin@srx> show configuration security ikeadmin@srx> show configuration security ipsec {loadposition content_lock} 2. Confirm Phase 1 To confirm the successful completion of Phase 1 […]

Juniper SRX – Configuring BT FTTP PPPoE

This configuration is set up on Juniper SRX 340 running JUNOS 20.2R1.10 Note: The username is the same for everyone password is anything chap authentication method outside/untrust interface being ge-0/0/7.0 set interfaces ge-0/0/7 unit 0 encapsulation ppp-over-ether –Optional — set security zones security-zone Internet interfaces pp0.0 host-inbound-traffic system-services pingset security zones security-zone Internet interfaces […]

Juniper SRX certificate ‘aamw-srx-cert’: certificate does not exist

error: certificate ‘aamw-srx-cert’: certificate does not exist .error: trusted-ca ‘aamw-cloud-ca’ does not exist!error: trusted-ca ‘aamw-secintel-ca’ does not exist! Error: {primary:node0}[edit]root# commit and-quit[edit security pki]‘ca-profile aamw-secintel-ca’Missing mandatory statement: ‘ca-identity’[edit security pki]‘ca-profile aamw-cloud-ca’Missing mandatory statement: ‘ca-identity’error: commit failed: (missing mandatory statements) FIX: {primary:node0}[edit]root# delete security pki {primary:node0}[edit]root# commit and-quitwarning: You have changed enhanced services mode.You must reboot […]

Install Software via CLI (from Junos software copied to USB stick)

Follow these steps to install the software via the CLI from a USB stick: Download the Junos upgrade file to the USB stick.  Locate the USB device ID that Junos is associating to the USB stick:user@srx> start shell user@srx% ls /dev/ > /var/tmp/before_USB.txt Insert the USB device into the USB slot.  For example, slot 0 would return the following:root# umass0: […]

Email spoofing

The goal of email spoofing is to trick the user into thinking an email is from a known and trusted source. Spoofing is done through the manipulation of email elements that are visible to the recipient, primarily the “Body From” field. A spoofed email can be partial or full: Partial Spoof: A partial spoof occurs when […]


login as: root Using keyboard-interactive authentication. Password: Last login: Fri Jun 29 09:58:18 2018 from — JUNOS 15.1X49-D45 built 2016-04-25 07:29:58 UTC *********************************************************************** ** ** ** WARNING: THIS DEVICE HAS BOOTED FROM THE BACKUP JUNOS IMAGE ** ** ** ** It is possible that the primary copy of JUNOS failed to boot up ** […]

Junos Space Password Recovery

Junos Space Password Recovery Change admin password You can change the admin password via the CLI option 1 Welcome to the Junos Space network settings utility. Initializing, please wait Junos Space Settings Menu 1> Change Password 2> Change Network Settings 3> Change Time Options 4> Retrieve Logs 5> Security 6> Expand VM Drive Size 7> […]

How To Fix “Device eth0 does not seem to be present, delaying initialization” Error

check network: # ifconfig lo        Link encap:Local Loopback           inet addr:  Mask:           inet6 addr: ::1/128 Scope:Host           UP LOOPBACK RUNNING  MTU:16436  Metric:1           RX packets:0 errors:0 dropped:0 overruns:0 frame:0           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:0           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)  Try to start Eth0 device # […]