Barracuda CloudGen Firewall
Back to Barracuda CloudGen Firewall
Knowledgebase
The Knowledgebase is a searchable database of technical questions and answers to troubleshoot a variety of issues. Compiled by the Barracuda Technical Support team, this interactive tool is designed to be an easy way to solve technical issues.
Knowledgebase Articles (274)
-
Why you have not to use a hashing algorithm with TINA VPN Tunnels
-
Why the Control Center didn?t update the license for my remote box?
-
Why won't my Avaya soft phone login while i'm connected to my VPN?
-
Why is my firewall reporting a "Block Local Loop" on the Recent Connections page of my Barracuda Firewall?
-
Why is email getting blocked by the Spam Filter even though I added the receipent to the whitelist?
-
Why is the Barracuda NG Firewall Vx for VMWare unable to add more than 5 network interfaces?
-
Why isn't my DC Agent synchronizing group membership information to my Barracuda NG Firewall?
-
Why is the Barracuda NG Network Access Client reporting "Internal loop failed"?
-
Why is my traffic being blocked with 'routing triangle' as the reason?
-
Why isn't my DC Agent syncing users to my Barracuda Firewall?
-
Why doesn't my DHCP service work on my Barracuda firewall?
-
Why is my dynamically assigned local ISP not working for the IPsec site to site VPN tunnel?
-
Why is my firewall still saying it needs to be activated even though I've completed the activation online?
-
Why is my Barracuda NG Firewall reporting 'Critical System Condition' event with the new netfence XL series
-
Why can't I access servers deployed in Azure through a site-to-site VPN between a remote location and an NG Azure?
-
Why does "Disable FTP" lead to frequent proxy crashes on my Barracuda NG Firewall?
-
Why can't I access servers deployed in Azure through a site-to-site VPN between a remote location and an NG Azure?
-
Why does the ?Activation State? show ?Could not connect to HTTP proxy??
-
Which network card drivers support VLAN tagging?
-
Why am I having name resolution issues when connected over a VPN with the Barracuda NG Network Access Client?
-
Why am I unable to access my SSL VPN page(or other service utilizing port 443 on a firewall?s server IP) despite everything being properly configured?
-
Which licenses are needed for the legacy phion policyserver?
-
Which ports does the administration tool NG Admin utilise?
-
Why am I getting a '403 Unauthorized' message when establishing a support tunnel on a Barracuda Firewall?
-
Where can a Customer find a list of applications the NG firewall is currently detecting?
-
When using ISDN Channel Bonding, the second channel is not always established correctly
-
Where can I find more information about the design limitations of the NG Firewall 5.0.0 regarding software and hardware?
-
Where can I find the client settings for Wifi authentication via Radius EAP?
-
When does routes of type 'throw-boot' introduced?
-
When using the NG as the NTP server, why wont my devices sync with the NG after binding and interface for use with NTPd
-
What is my Barracuda NG Firewall having trouble resolving URLs while using HTTP proxy?
-
What does the Warning 'Max. workers (XX) limit hit' mean in CAS-log of antivirus-service?
-
What does the Warning 'no route to NTP servers' mean after a Logical Check on CC-administered boxes?
-
What licensing changes will be introduced with firmware 5.2.0 for my Barracuda NG Firewall ?
-
What do the firewall history entries 'Rate Limit Exceeded' and 'Block Size Limit Exceeded' mean on the Barracuda NG Firewall?
-
What can I do if the system and hardware time on my Barracuda NG firewall is becoming out of sync?
-
Secure Web Proxy problem with 'Client Certificate' based authentication
-
The proxy service is automatically shut down after a few seconds
-
Virtual Server IP is not pingable
-
Using Custom Rule Sets with SpamAssassin
-
PPTP or L2TP with Windows Vista / Windows 7 doesn´t work
-
Performing an LDAP search at the command line interface
-
Remote management tunnel cannot be established
-
Triggering AVIRA AntiVirus pattern update manually
-
Support archive types for the AVRIA virusscanner
-
Remote management tunnels over 'McAfee IntruShield' (IPS)
-
Requirements to distribute Intrusion Prevention System (IPS) patterns via central management
-
VPN server does not start and display error "Cannot create ktina socket"
-
Websites are directly reachable but not via the HTTP proxy
-
On a legacy phion M3 appliance, port3 and port4 have a degraded performance, high latency or packet losses
-
Some websites could not be displayed via the HTTP Proxy in phion legacy firmware
-
Performance Tuning
-
vpn.exe crashes with a runtime error if hardcopy is installed and runs
-
The VPN server gateway is not reachable
-
phibsd cannot authenticate usernames involving umlauts or special chars in the display name
-
The statistic collect does not work over a long period
-
PDF download in browser window does not work
-
proxy crash with logged line 'Too many queued ntlmauthenticator requests'
-
VPN tunnel is established but traffic is not forwarded
-
Spelling of 'Umlaut Domain Names' in Barracuda NG firewall DNS-Server
-
Users can't authenticate with RSA-ACE after a box update
-
Primary group membership cannot be resolved with Phibs MSAD authentication
-
Virusscanner blocks archives which are not encrypted
-
Transparent SSL-VPN client
-
Training the spam filter on Lotus Notes 6.5
-
RAM and CPU usage tuning for small appliances
-
Passwords containing special characters may not work
-
Requirements for a successful MS-CHAP domain join
-
Root partition increases up to 4GB
-
Partition table errors on legacy phion appliances nf-240 / nf-850 with SDR
-
Using a USB stick size greater than 1GB for installation on IBM server systems
-
SDR will not work on legacy netfence L appliances if module configuration is changed
-
Tuning a box to a lower memory usage
-
URL Filter does not block any pages
-
pppoe/pptp Dial-In user configuration (t-online)
-
The config node "Client 2 Site" generates an error and firewall rulesets can not be imported
-
Proxy service does not bind to configured ip and port
-
User does not match the Proventia Webfilter rules
-
Skype blocking via HTTP-Proxy
-
Standards for IPSec tunnel configuration between NG Firewall and 3rd party gateways
-
Spam-filter: Permission denied on /tmp/ folder
-
Virscan library error after update to firmware 4.2.5
-
The Barracuda NG Network Access Client continuously reconnects
-
Tuning a F10 box to prevent memory allocation issues
-
Remote management tunnel is not re-established automatically
-
Setting up VLANs permanently without failsafe or forced box network activation
-
Receive output to screen even though output to the serial console is configured
-
Single Sign On for the Xfirewall and NG Firewall VPN Client with MSAD
-
Log message 'PAYLOAD_MALFORMED', 'INVALID_PAYLOAD_TYPE', 'INVALID_COOKIE' reported in ike.log
-
Log message 'All redirector processes are busy' reported in the in proxy.log
-
Log message 'ACPF clock' reported in klogd.log
-
Log message 'device [x] entered promiscuous mode' reported in klogd.log
-
Message 'Corrupted Data File' with ID 150 reported in the event viewer
-
Message 'Connect Script Failed' reported at connecting to box via serial console
-
Message 'TCP Header has an Invalid ACK Number' reported in firewall history
-
Meaning of 'DriveStatusError BadCRC' in klogd.log
-
Native NTLM authentication does not work with Windows 2003 Server
-
MSAD authentication through phibsd experiences a timeout
-
Manual Root-CA import for the SSL Proxy engine
-
NG Access Client 2.0 with 802.1x - general hints
-
NG Access Client with 802.1x - Cisco 2960 - communication problems
-
NG Access Client Health Agent still in state 'pending communication'
-
NG Access Client 2.0 with 802.1x - Cisco 2960 switch configuration example
-
L2TP connetcion does not establish
-
Log message 'Disk space over limit' reported in the proxy cache.log
-
MSCHAPv2 authentication issue with http-proxy (challenge response on update.microsoft.com)
-
Log message 'Size limit exceeded' reported while retrieving CRLs
-
Naming restrictions when using VLANs
-
MSAD Authentication doesn't work when the users access is restricted to a special client
-
MailGW HA-Sync error 'filename too long'
-
Java error on Windows 7 for SSLVPN when using Java engine jre 1.6.13
-
Log message "csum failure" reported in klogd.log
-
Log message 'Clock skew' reported in cstatd.log
-
Message 'TCP Packet Belongs to no Active Session' reported in the firewall history
-
Message 'respawning too fast' reported on the command-line prompt
-
Log message kernel: dst cache overflow' reported in klogd.log
-
Mounting a USB flashdisk on a Barracuda NG Firewall box
-
Java support in NG SSL VPN
-
Log message 'Size limit exceeded' reported in the phibs.log
-
No download progress popup appears for a download from the microsoft download centre
-
Log message 'Unexpected EOF while reading body' and 'Broken pipe' reported in the cas.log
-
Log message 'Neighbour table overflow' reported in klogd.log
-
Manual time synchronisation with NTP server fails
-
Manual file system check when system stops during the boot process
-
Message 'Block Local Loop' reported in the firewall history
-
Log message 'SMTP line limit reached' reported in the mailgateway.log
-
Manual file system check with 'phion rescue'
-
Manual file system check in runlevel 1
-
MTU size problems in Microsoft Windows
-
Log message 'quantum of class [n] is big' reported in klogd.log
-
Lock on /var/lib/rpm/Packages causes hotfix/patch installation failure
-
Legacy phion appliances L2000 / M5 crash at activating of a 'Broadcom 582x' acceleration card
-
How to get mails through the POP3 engine from the mailgateway
-
How to install a legacy phion VPN-Pool license
-
How to delete the event database (event.db) on CC-administered boxes
-
IPSEC tunnel between Windows ISA und NG Firewall is up but no traffic is routed through
-
How to configure Barracuda NG Firewall for in the cloud scanning on Barracuda Web Security Flex
-
HTTP Proxy does not display the correct logo within HTTP error pages
-
How to test phibs authentication on a Barracuda NG Firewall box?
-
How to enable remote management access to the NG Firewall from the Internet
-
IPSEC Site to Site Tunnels with Checkpoint and multiple subnets
-
IPSEC problems with Checkpoint RG55 and higher
-
Indicate firewall rule usage in CC firewall rulesets
-
Installing CCISS Machines with a USB-Stick
-
How to configure Traffic Shaping for the HTTP Proxy Service
-
Howto install legacy netfence on 'VMware ESX' server
-
Incompatibility between Vodafone Mobile Connect and Barracuda NG Network Access Client
-
Installing a lagcy netfence gateway using an USB-floppy disk
-
How to use TOS-Bit values on Barraucda NG Firewall?
-
How To enable debug logging for NG Access Client
-
How to configure policy-routing for multi-provider useage
-
How to schedule PAR file creation?
-
How to import a PAR file at the command line interface
-
How to use the ACL Type groups with MSAD
-
How to re-schedule dropped/giveup mails
-
Interpretation of CPU average load values ("Control" > "Processes")
-
Installation of NG firewall 5.0.x on HP G6 servers fails
-
How to test read performance for harddisk
-
How to install Barracuda NG Firewall 4.2.x on a HP DL-Server with a 'SmartArray' controller
-
Installing Barracuda NG Firewall 4.2.x on an outmoded Compaq Hardware
-
How to use the Barracuda NG Network Access Client together with a 3rd party VPN client
-
How to restore a PAR file from a different NG model and version?
-
How to enable debug logging for DNS service
-
How to get the BIOS version for Barracuda NG Firewall and phion legacy appliances?
-
How to install a legacy phion 'VIRSCAN' license file
-
How to install and activate reissued legacy phion licenses and add-licenses
-
IPSec-tunnel disappears from configuration after editing a tunnel
-
How to provide more GDI object handles for NG Admin
-
How to constrain DHCP leases only to clients running NG Access Client
-
Installing CCISS Machines with a USB-Floppy
-
Instable PPTP connections
-
IPSEC Tunnel between Barracuda NG Firewall and Checkpoint NGX R65 does not establish
-
Huge log files respectively problems with log-viewer
-
How to debug Barracuda NG Network Access Client installation?
-
How to activate an 'ADD-FW' legacy phion license
-
How to a RSA-ACE Server to authenticate with a Barracuda NG firewall
-
How to add the Barracuda RBL to the NG Firewall SPAM filter (spamassassin)
-
How to activate debugging for OSPF?
-
How to bypass proxy authentication for Java applications
-
How to activate the Emergency Quarantine Mode if no network connection is available
-
How to check system architecture?
-
How to activate a legacy phion 'NF-BOB' license
-
How should I upgrade the firmware on my Barracuda NG Firewall?
-
How to access the BIOS of Heavensgate Appliances
-
How to configure Alternative HA IP and private uplink
-
How to check the proxy configuration for errors
-
How do I use an SIP VoIP system through the Barracuda NG Firewall?
-
How do you install license keys on a new Barracuda NG Firewall?
-
How do I retrieve the Barracuda NG Firewall MIB file for SNMP monitoring?
-
How do I create an IPS report from my NGFW?
-
How do I know if my forwarding firewall ruleset is at the current version?
-
How do I create a System Report containing logs and a backup configuration file?
-
How do I increase IPSEC log levels to troubleshoot a client-to-site or site-to-site VPN tunnel?
-
How do I configure customized http and https ports for HTTP proxy on the Barracuda NG Firewall?
-
How can support set up Client to Site VPN on NextGen Firewall F-Series with username and password authentication
-
How can I enable KDump (Kernel Logging) for extended crash monitoring/reporting on the NG firewall?
-
How can I make the VPN Client installed on CentOS 7 establish a connection automatically on boot?
-
How can I import and use external IPv4 address information with my Barracuda NG Firewall?
-
Host Firewall does not start after Patch / Hotfix update
-
How can a customer create a SHA-256 certificate or certificate signing request
-
How can I change the administrator password on my Barracuda Firewall?
-
Closing old admin sessions.
-
Eventing Service notifications cannot be delivered by Microsoft Exchange Server
-
Description of IPSEC tunnel termination methods
-
CLI commands for USB UMTS modems
-
CC HA-Sync in 'Dirty Sync State'
-
DHCP relay is in status started but it does not work
-
Custom cronjob does not work
-
Control Centre statistic HA sync cannot be processed
-
Debugging for IPSec
-
Configuring a dynamic UDP Outgoing Address on the HTTP proxy
-
Connection to the Events monitoring GUI with NG Admin is refused
-
Configuration of Selective Syslog Streaming by means of Logdata Filters
-
Driver options for 3c59x module (3Com Cards)
-
Driver options for Realtek network adapters
-
Erroneous encryption of VPN packets with enabled VIA PadLock Security Engine
-
Connectivity problems as soon as Barracuda NG Access Client is installed
-
Driver options for sk98lin module (Crossbeam, SysKonnect)
-
Driver options for e1000, e1000compaq module (Intel Pro/1000 Cards)
-
Event, log, and statistic daemons do not start anymore
-
Configuration and entegra update on phion-M appliances
-
Concurrent NAT connections to Microsoft Windows 2000 Server are not possible
-
DHCP service is in status started but it does not work
-
Dynamic networks (DHCP, ADSL) are not re-established automatically
-
Does the NG Firewall support 'Multinetting' on a single device?
-
Dynamic network start and stop scripts for Monitoring-Server
-
Deleted boxes does not disappear in the MC status map
-
Dirty Release of phionnet_boxmisc package on flashboxes
-
DNS server settings are not updated automatically
-
Files appear to download very slowly, and may finish only being a few kilobytes big
-
Configuring SPAM filter training with German MS-Exchange Server
-
Driver options for eepro100 module (Intel Pro/100 Cards)
-
Connecting to the box via serial console is not possible
-
Config sessions are not shown in the Control sessions overview
-
Customize phase1 in IPSec-tunnels
-
Flush dynamic dns peer entries for IPSEC tunnels
-
Config HA-Sync or Rangetree HA-Sync stops with 'Authentication Failed'
-
Errors on Windows server systems due to an unspecified "Master Browser"
-
ESP VPN Tunnel does not work correctly
-
FTP server connection fails trough http proxy to some FTP servers
-
Deleting old entries in scanner versions tab is not possible
-
Driver options for e100, e100compaq module (Intel Pro/100 Cards)
-
Driver options for bcm5700 module (Broadcom Gigabit Cards)
-
Destroyed inittab file
-
Dirty HA Sync
-
Box uses old remote management tunnel 'VPN Point of Entry' IP after change
-
Box freezes at start-up displaying the message 'freeing unused kernel'
-
boxfw crash with 'Request handler got signal 25'
-
Box License in 'Grace Mode' with Status 'Parent License not found'
-
Barracuda NG Firewall IPSec implementation and PFS
-
Barracuda NG Network Access Client connection does not establish because 'Firewall Status mismatch'
-
Barracuda Web Filter license activation failed
-
Barracuda NG Network Access Client triggers status messages 'dhcp waiting' / 'receiving configuration'
-
Barracuda NG Firewall 4.2.x installation breaks on 'VMware ESX' server
-
Barracuda NG Network Access Client could not connect
-
Barracuda NG Network Access Client authentication with X.509 certificates and eToken / SmartCard does not work
-
Barracuda NG Network Access Client with eToken authentication
-
Barracuda NG Firewall bootloader stops at 'LI'
-
Barracuda NextGen Firewall F-Series EOS and EOL
-
Barracuda NG Control Centre event interface does not show events generated on the CC box
-
Barracuda NG Control Centre event interface does not show events from remote administrated NG Firewall gateways
-
Barracuda NG Access Client displays "phionHADlg.exe" with error code 0x0000142 continuously
-
"Unresolvable clock skew detected" error in dstatm logfile
-
A 'redirect rule' doesn't work with 'DNS network' objects or netw. objects which has more than 1 IP
-
'Public Folders' can't be accessed via IMAP on a 'Microsoft Exchange 2007'server
-
Adobe updater clients consum complete download bandwith if update is triggered over phion HTTP proxy
-
After box reboot ISDN is not opened though DSL is unavailable
-
Activation of HA Barracuda NG Firewall
-
'Control' > 'Processes' displays only 768MB RAM
-
'Firewall Authentication' via HTTPs does not work
-
After a shutdown/hardreboot, Amazon WAF VM instance shows as ?Terminated?
-
'Custom Template Logo' is not shown in the download progress popup
-
'Global Append Options' are not activated
-
Antivirus file descriptors are increasing when using the HTTP-proxy