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Archive for the ‘Firewall’ Category

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:127.0.0.1  Mask:255.0.0.0           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 # […]

Debugging a Site to Site VPN on an Juniper SRX series

Within this article we will look at the various steps required in debugging a Site to Site VPN on an SRX series gateway. 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. […]

CAN NOT ACCESS TO HTTPS MANAGEMENT OF JUNIPER SSG VI CHROME (ERROR CODE: ERR_SSL_VERSION_OR_CIPHER_MISMATCH)

Can not access to https management of Juniper SSG through Chrome (Error code: ERR_SSL_VERSION_OR_CIPHER_MISMATCH) A secure connection cannot be established because this site uses an unsupported protocol. Error code: ERR_SSL_VERSION_OR_CIPHER_MISMATCH Resolution 1: 1. Go to the “Chrome://flags” from the address bar. 2. Find “Minimum SSL/TLS” version support” 3. Select ” SSLv3″ option. Resolution 2: Access to WEB […]

SRX300 usb serial console driver

Please check if the USB console driver available on the below link works for you. http://www.juniper.net/support/downloads/?p=srx550#sw Please follow the below link to set this up. http://www.juniper.net/techpubs/en_US/release-independent/junos/topics/task/operational/services-gat… For SRX 340 you can use this driver srx_usbdriver-2 For Mac OS X download the driver if needed, from https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers  

VPN Does Not Connect When Using Virgin Media SuperHub

When setting up a VPN, you can run into problems with VPN pass through. If you are using a Virgin Media SuperHub you have the added challenge that is by default, your speedy SuperHub will block outgoing VPN traffic meaning that with all the correct details it just doesn’t work. To fix this, just follow […]

Juniper : Introduction to the Junos Operating System, “PKI: DSA verify fails.”

How to Update the New Image Authentication Key and Upgrade Boot Loader/ScreenOS Firmware As of August 18, 2014, all Boot Loaders and ScreenOS Firmwares downloaded from the Juniper Networks Software Download Site are signed with the New Image Authentication Certificate.ScreenOS includes the ability to determine the authenticity of binary images provided by Juniper Networks. An […]

How to Configure NAT on Cisco router

This brief tutorial will show you how to configure NAT overload or how to enable Internet access to multiple PCs of your LAN using only one public IP address. This type of NAT can easily be used at home when you have a Cisco 800 series xDSL router. The first step is to define the […]

Howto Assign Multiple Public IP Addresses on Juniper SSG

Sharing Internet with Multiple public IP from same ISP: ISP Router running in bridge mode Juniper SSG5 eth0/0 doing ppoe to connect ADSL. ISP assign Public IP block as: 217.214.17.120/29 Network range will be: 217.214.17.120- 217.214.17.127. Using /29 on 2 untrust interface will give you an error, IP overlapping. To use these IP on 2 untrust […]