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Archive for the ‘Networking’ Category

TEAM VIEWER Quick Support

https://download.teamviewer.com/download/TeamViewerQS.exe TeamViewer Quick Support PC https://download.teamviewer.com/download/TeamViewerQS.exe Team Viewer Quick Support MAC https://download.teamviewer.com/download/TeamViewerQS.dmg

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 […]

Subnet Mask Cheat Sheet

IPv4 Subnet Mask Cheat Sheet Addresses Netmask Amount of a Class C /31 2 255.255.255.254 1/128 /30 4 255.255.255.252 1/64 /29 8 255.255.255.248 1/32 /28 16 255.255.255.240 1/16 /27 32 255.255.255.224 1/8 /26 64 255.255.255.192 1/4 /25 128 255.255.255.128 1/2 /24 256 255.255.255.0 1 /23 512 255.255.254.0 2 /22 1024 255.255.252.0 4 /21 2048 255.255.248.0 […]