I am having the same issue on 2.3 installations of Endian Firewall.
I tired updating the new URL as per bug#0003177 to no avail.
I found this in the messages logs after restarting Intrusion Prevention service and attempting to manually update rules:
Nov 6 12:14:17 PROXY1 sudo: nobody : 3 incorrect password attempts ; TTY=unknown ; PWD=/home/httpd/cgi-bin ; USER=root ; COMMAND=en-client --check
Nov 6 12:14:17 PROXY1 sudo: nobody : TTY=unknown ; PWD=/home/httpd/cgi-bin ; USER=root ; COMMAND=/usr/bin/monit status
Nov 6 12:15:27 PROXY1 sudo: nobody : TTY=unknown ; PWD=/home/httpd/cgi-bin ; USER=root ; COMMAND=/usr/local/bin/restartsnort.py
Nov 6 12:15:27 PROXY1 sudo: nobody : TTY=unknown ; PWD=/home/httpd/cgi-bin ; USER=root ; COMMAND=/usr/local/bin/restartsnort.py
Nov 6 12:15:45 PROXY1 sudo: nobody : TTY=unknown ; PWD=/home/httpd/cgi-bin ; USER=root ; COMMAND=/usr/local/bin/restartsnortrules.py no-restart
Nov 6 12:15:45 PROXY1 sudo: nobody : TTY=unknown ; PWD=/home/httpd/cgi-bin ; USER=root ; COMMAND=/usr/local/bin/restartsnort.py
Nov 6 12:15:49 PROXY1 snort[9933]: Reading from iptables
Nov 6 12:15:49 PROXY1 snort[9933]: Running in IDS mode
Nov 6 12:15:49 PROXY1 snort[9933]:
Nov 6 12:15:49 PROXY1 snort[9933]: --== Initializing Snort ==--
Nov 6 12:15:49 PROXY1 snort[9933]: Initializing Output Plugins!
Nov 6 12:15:49 PROXY1 snort[9933]: Initializing Preprocessors!
Nov 6 12:15:49 PROXY1 snort[9933]: Initializing Plug-ins!
Nov 6 12:15:49 PROXY1 snort[9933]: Parsing Rules file "/etc/snort/snort.conf"
Nov 6 12:15:49 PROXY1 snort[9933]: Var 'DNS_SERVERS' redefined
Nov 6 12:15:49 PROXY1 snort[9933]: PortVar 'HTTP_PORTS' defined :
Nov 6 12:15:49 PROXY1 snort[9933]: [ 80 3128 8080 ]
Nov 6 12:15:49 PROXY1 snort[9933]:
Nov 6 12:15:49 PROXY1 snort[9933]: PortVar 'SHELLCODE_PORTS' defined :
Nov 6 12:15:49 PROXY1 snort[9933]: [ 0:79 81:65535 ]
Nov 6 12:15:49 PROXY1 snort[9933]:
Nov 6 12:15:49 PROXY1 snort[9933]: PortVar 'ORACLE_PORTS' defined :
Nov 6 12:15:49 PROXY1 snort[9933]: [ 1521 ]
Nov 6 12:15:49 PROXY1 snort[9933]:
Nov 6 12:15:49 PROXY1 snort[9933]: PortVar 'SSH_PORTS' defined :
Nov 6 12:15:49 PROXY1 snort[9933]: [ 22 222 ]
Nov 6 12:15:49 PROXY1 snort[9933]:
Nov 6 12:15:49 PROXY1 snort[9933]: /etc/snort/snort.conf(23) PortVar 'SSH_PORTS', already defined.
Nov 6 12:15:49 PROXY1 snort[9933]: PortVar 'SSH_PORTS' defined :
Nov 6 12:15:49 PROXY1 snort[9933]: [ 22 222 ]
Nov 6 12:15:49 PROXY1 snort[9933]:
Nov 6 12:15:49 PROXY1 snort[9933]: Detection:
Nov 6 12:15:49 PROXY1 snort[9933]: Search-Method = Low-Mem-Q
Nov 6 12:15:49 PROXY1 snort[9933]: Tagged Packet Limit: 256
Nov 6 12:15:49 PROXY1 snort[9933]: Loading dynamic engine /usr/lib/libsf_engine.so...
Nov 6 12:15:49 PROXY1 snort[9933]: done
Nov 6 12:15:49 PROXY1 snort[9933]: Loading all dynamic preprocessor libs from /usr/lib/snort_dynamicpreprocessor/...
Nov 6 12:15:49 PROXY1 snort[9933]: Loading dynamic preprocessor library /usr/lib/snort_dynamicpreprocessor//libsf_dce2_preproc.so...
Nov 6 12:15:49 PROXY1 snort[9933]: done
Nov 6 12:15:49 PROXY1 snort[9933]: Loading dynamic preprocessor library /usr/lib/snort_dynamicpreprocessor//libsf_dcerpc_preproc.so...
Nov 6 12:15:49 PROXY1 snort[9933]: done
Nov 6 12:15:49 PROXY1 snort[9933]: Loading dynamic preprocessor library /usr/lib/snort_dynamicpreprocessor//libsf_ftptelnet_preproc.so...
Nov 6 12:15:49 PROXY1 snort[9933]: done
Nov 6 12:15:49 PROXY1 snort[9933]: Loading dynamic preprocessor library /usr/lib/snort_dynamicpreprocessor//libsf_dns_preproc.so...
Nov 6 12:15:49 PROXY1 snort[9933]: done
Nov 6 12:15:49 PROXY1 snort[9933]: Loading dynamic preprocessor library /usr/lib/snort_dynamicpreprocessor//libsf_smtp_preproc.so...
Nov 6 12:15:49 PROXY1 snort[9933]: done
Nov 6 12:15:49 PROXY1 snort[9933]: Loading dynamic preprocessor library /usr/lib/snort_dynamicpreprocessor//libsf_ssh_preproc.so...
Nov 6 12:15:49 PROXY1 snort[9933]: done
Nov 6 12:15:49 PROXY1 snort[9933]: Loading dynamic preprocessor library /usr/lib/snort_dynamicpreprocessor//libsf_ssl_preproc.so...
Nov 6 12:15:49 PROXY1 snort[9933]: done
Nov 6 12:15:49 PROXY1 snort[9933]: Finished Loading all dynamic preprocessor libs from /usr/lib/snort_dynamicpreprocessor/
Nov 6 12:15:49 PROXY1 snort[9933]: Log directory = /var/log/snort
Nov 6 12:15:49 PROXY1 snort[9933]: Frag3 global config:
Nov 6 12:15:49 PROXY1 snort[9933]: Max frags: 65536
Nov 6 12:15:49 PROXY1 snort[9933]: Fragment memory cap: 4194304 bytes
Nov 6 12:15:49 PROXY1 snort[9933]: Frag3 engine config:
Nov 6 12:15:49 PROXY1 snort[9933]: Target-based policy: FIRST
Nov 6 12:15:49 PROXY1 snort[9933]: Fragment timeout: 60 seconds
Nov 6 12:15:49 PROXY1 snort[9933]: Fragment min_ttl: 1
Nov 6 12:15:49 PROXY1 snort[9933]: Fragment Problems: 1
Nov 6 12:15:49 PROXY1 snort[9933]: Overlap Limit: 0
Nov 6 12:15:49 PROXY1 snort[9933]: Min fragment Length: 0
Nov 6 12:15:49 PROXY1 snort[9933]: Stream5 global config:
Nov 6 12:15:49 PROXY1 snort[9933]: Track TCP sessions: ACTIVE
Nov 6 12:15:49 PROXY1 snort[9933]: Max TCP sessions: 8192
Nov 6 12:15:49 PROXY1 snort[9933]: Memcap (for reassembly packet storage): 8388608
Nov 6 12:15:49 PROXY1 snort[9933]: Track UDP sessions: INACTIVE
Nov 6 12:15:49 PROXY1 snort[9933]: Track ICMP sessions: INACTIVE
Nov 6 12:15:49 PROXY1 snort[9933]: Log info if session memory consumption exceeds 1048576
Nov 6 12:15:49 PROXY1 snort[9933]: Stream5 TCP Policy config:
Nov 6 12:15:49 PROXY1 snort[9933]: Reassembly Policy: FIRST
Nov 6 12:15:49 PROXY1 snort[9933]: Timeout: 30 seconds
Nov 6 12:15:49 PROXY1 snort[9933]: Min ttl: 1
Nov 6 12:15:49 PROXY1 snort[9933]: Maximum number of bytes to queue per session: 1048576
Nov 6 12:15:49 PROXY1 snort[9933]: Maximum number of segs to queue per session: 2621
Nov 6 12:15:49 PROXY1 snort[9933]: Options:
Nov 6 12:15:49 PROXY1 snort[9933]: Static Flushpoint Sizes: YES
Nov 6 12:15:49 PROXY1 snort[9933]: Reassembly Ports:
Nov 6 12:15:49 PROXY1 snort[9933]: 21 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 23 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 25 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 42 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 53 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 80 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 110 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 111 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 135 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 136 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 137 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 139 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 143 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 445 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 513 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 514 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 1433 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 1521 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 2401 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: 3306 client (Footprint)
Nov 6 12:15:49 PROXY1 snort[9933]: HttpInspect Config:
Nov 6 12:15:49 PROXY1 snort[9933]: GLOBAL CONFIG
Nov 6 12:15:49 PROXY1 snort[9933]: Max Pipeline Requests: 0
Nov 6 12:15:49 PROXY1 snort[9933]: Inspection Type: STATELESS
Nov 6 12:15:49 PROXY1 snort[9933]: Detect Proxy Usage: NO
Nov 6 12:15:49 PROXY1 snort[9933]: IIS Unicode Map Filename: /etc/snort/unicode.map
Nov 6 12:15:49 PROXY1 snort[9933]: IIS Unicode Map Codepage: 1252
Nov 6 12:15:49 PROXY1 snort[9933]: DEFAULT SERVER CONFIG:
Nov 6 12:15:49 PROXY1 snort[9933]: Server profile: All
Nov 6 12:15:49 PROXY1 snort[9933]: Ports: 80 3128 8080
Nov 6 12:15:49 PROXY1 snort[9933]: Server Flow Depth: 0
Nov 6 12:15:49 PROXY1 snort[9933]: Client Flow Depth: 300
Nov 6 12:15:49 PROXY1 snort[9933]: Max Chunk Length: 500000
Nov 6 12:15:49 PROXY1 snort[9933]: Max Header Field Length: 0
Nov 6 12:15:49 PROXY1 snort[9933]: Max Number Header Fields: 0
Nov 6 12:15:49 PROXY1 snort[9933]: Inspect Pipeline Requests: YES
Nov 6 12:15:49 PROXY1 snort[9933]: URI Discovery Strict Mode: NO
Nov 6 12:15:49 PROXY1 snort[9933]: Allow Proxy Usage: NO
Nov 6 12:15:49 PROXY1 snort[9933]: Disable Alerting: YES
Nov 6 12:15:49 PROXY1 snort[9933]: Oversize Dir Length: 0
Nov 6 12:15:49 PROXY1 snort[9933]: Only inspect URI: NO
Nov 6 12:15:49 PROXY1 snort[9933]: Normalize HTTP Headers: NO
Nov 6 12:15:49 PROXY1 snort[9933]: Normalize HTTP Cookies: NO
Nov 6 12:15:49 PROXY1 snort[9933]: Ascii: YES alert: NO
Nov 6 12:15:49 PROXY1 snort[9933]: Double Decoding: YES alert: YES
Nov 6 12:15:49 PROXY1 snort[9933]: %U Encoding: YES alert: YES
Nov 6 12:15:49 PROXY1 snort[9933]: Bare Byte: YES alert: YES
Nov 6 12:15:49 PROXY1 snort[9933]: Base36: OFF
Nov 6 12:15:49 PROXY1 snort[9933]: UTF 8: YES alert: NO
Nov 6 12:15:49 PROXY1 snort[9933]: IIS Unicode: YES alert: YES
Nov 6 12:15:49 PROXY1 snort[9933]: Multiple Slash: YES alert: NO
Nov 6 12:15:50 PROXY1 snort[9933]: IIS Backslash: YES alert: NO
Nov 6 12:15:50 PROXY1 snort[9933]: Directory Traversal: YES alert: NO
Nov 6 12:15:50 PROXY1 snort[9933]: Web Root Traversal: YES alert: YES
Nov 6 12:15:50 PROXY1 snort[9933]: Apache WhiteSpace: YES alert: YES
Nov 6 12:15:50 PROXY1 snort[9933]: IIS Delimiter: YES alert: YES
Nov 6 12:15:50 PROXY1 snort[9933]: IIS Unicode Map: GLOBAL IIS UNICODE MAP CONFIG
Nov 6 12:15:50 PROXY1 snort[9933]: Non-RFC Compliant Characters: 0x00
Nov 6 12:15:50 PROXY1 snort[9933]: Whitespace Characters: 0x09 0x0b 0x0c 0x0d
Nov 6 12:15:50 PROXY1 snort[9933]: rpc_decode arguments:
Nov 6 12:15:50 PROXY1 snort[9933]: Ports to decode RPC on: 111 32771
Nov 6 12:15:50 PROXY1 snort[9933]: alert_fragments: INACTIVE
Nov 6 12:15:50 PROXY1 snort[9933]: alert_large_fragments: ACTIVE
Nov 6 12:15:50 PROXY1 snort[9933]: alert_incomplete: ACTIVE
Nov 6 12:15:50 PROXY1 snort[9933]: alert_multiple_requests: ACTIVE
Nov 6 12:15:50 PROXY1 snort[9933]: Portscan Detection Config:
Nov 6 12:15:50 PROXY1 snort[9933]: Detect Protocols: TCP UDP ICMP IP
Nov 6 12:15:50 PROXY1 snort[9933]: Detect Scan Type: portscan portsweep decoy_portscan distributed_portscan
Nov 6 12:15:50 PROXY1 snort[9933]: Sensitivity Level: Low
Nov 6 12:15:50 PROXY1 snort[9933]: Memcap (in bytes): 10000000
Nov 6 12:15:50 PROXY1 snort[9933]: Number of Nodes: 36900
Nov 6 12:15:50 PROXY1 snort[9933]: FTPTelnet Config:
Nov 6 12:15:50 PROXY1 snort[9933]: GLOBAL CONFIG
Nov 6 12:15:50 PROXY1 snort[9933]: Inspection Type: stateful
Nov 6 12:15:50 PROXY1 snort[9933]: Check for Encrypted Traffic: YES alert: YES
Nov 6 12:15:50 PROXY1 snort[9933]: Continue to check encrypted data: NO
Nov 6 12:15:50 PROXY1 snort[9933]: TELNET CONFIG:
Nov 6 12:15:50 PROXY1 snort[9933]: Ports: 23
Nov 6 12:15:50 PROXY1 snort[9933]: Are You There Threshold: 200
Nov 6 12:15:50 PROXY1 snort[9933]: Normalize: YES
Nov 6 12:15:50 PROXY1 snort[9933]: Detect Anomalies: NO
Nov 6 12:15:50 PROXY1 snort[9933]: FTP CONFIG:
Nov 6 12:15:50 PROXY1 snort[9933]: FTP Server: default
Nov 6 12:15:50 PROXY1 snort[9933]: Ports: 21
Nov 6 12:15:50 PROXY1 snort[9933]: Check for Telnet Cmds: YES alert: YES
Nov 6 12:15:50 PROXY1 snort[9933]: Ignore Telnet Cmd Operations: OFF
Nov 6 12:15:50 PROXY1 snort[9933]: Identify open data channels: YES
Nov 6 12:15:50 PROXY1 snort[9933]: FTP Client: default
Nov 6 12:15:50 PROXY1 snort[9933]: Check for Bounce Attacks: YES alert: YES
Nov 6 12:15:50 PROXY1 snort[9933]: Check for Telnet Cmds: YES alert: YES
Nov 6 12:15:50 PROXY1 snort[9933]: Ignore Telnet Cmd Operations: OFF
Nov 6 12:15:50 PROXY1 snort[9933]: Max Response Length: 256
Nov 6 12:15:50 PROXY1 snort[9933]: SMTP Config:
Nov 6 12:15:50 PROXY1 snort[9933]: Ports: 25 587 691
Nov 6 12:15:50 PROXY1 snort[9933]: Inspection Type: Stateful
Nov 6 12:15:50 PROXY1 snort[9933]: Normalize: EXPN RCPT VRFY
Nov 6 12:15:50 PROXY1 snort[9933]: Ignore Data: No
Nov 6 12:15:50 PROXY1 snort[9933]: Ignore TLS Data: No
Nov 6 12:15:50 PROXY1 snort[9933]: Ignore SMTP Alerts: No
Nov 6 12:15:50 PROXY1 snort[9933]: Max Command Line Length: Unlimited
Nov 6 12:15:50 PROXY1 snort[9933]: Max Specific Command Line Length:
Nov 6 12:15:50 PROXY1 snort[9933]: ETRN:500 EXPN:255 HELO:500 HELP:500 MAIL:260
Nov 6 12:15:50 PROXY1 snort[9933]: RCPT:300 VRFY:255
Nov 6 12:15:50 PROXY1 snort[9933]: Max Header Line Length: Unlimited
Nov 6 12:15:50 PROXY1 snort[9933]: Max Response Line Length: Unlimited
Nov 6 12:15:50 PROXY1 snort[9933]: X-Link2State Alert: Yes
Nov 6 12:15:50 PROXY1 snort[9933]: Drop on X-Link2State Alert: No
Nov 6 12:15:50 PROXY1 snort[9933]: Alert on commands: None
Nov 6 12:15:50 PROXY1 snort[9933]: DCE/RPC Decoder config:
Nov 6 12:15:50 PROXY1 snort[9933]: Autodetect ports ENABLED
Nov 6 12:15:50 PROXY1 snort[9933]: SMB fragmentation ENABLED
Nov 6 12:15:50 PROXY1 snort[9933]: DCE/RPC fragmentation ENABLED
Nov 6 12:15:50 PROXY1 snort[9933]: Max Frag Size: 3000 bytes
Nov 6 12:15:50 PROXY1 snort[9933]: Memcap: 100000 KB
Nov 6 12:15:50 PROXY1 snort[9933]: Alert if memcap exceeded DISABLED
Nov 6 12:15:50 PROXY1 snort[9933]: Reassembly increment: DISABLED
Nov 6 12:15:50 PROXY1 snort[9933]: DNS config:
Nov 6 12:15:50 PROXY1 snort[9933]: DNS Client rdata txt Overflow Alert: ACTIVE
Nov 6 12:15:50 PROXY1 snort[9933]: Obsolete DNS RR Types Alert: INACTIVE
Nov 6 12:15:50 PROXY1 snort[9933]: Experimental DNS RR Types Alert: INACTIVE
Nov 6 12:15:50 PROXY1 snort[9933]: Ports:
Nov 6 12:15:50 PROXY1 snort[9933]: 53
Nov 6 12:15:50 PROXY1 snort[9933]:
Nov 6 12:15:50 PROXY1 snort[9933]:
Nov 6 12:15:50 PROXY1 snort[9933]: +++++++++++++++++++++++++++++++++++++++++++++++++++
Nov 6 12:15:50 PROXY1 snort[9933]: Initializing rule chains...
Nov 6 12:15:50 PROXY1 snort[9933]: Warning: /etc/snort/processed.rules(52) => threshold (in rule) is deprecated; use detection_filter instead.
Nov 6 12:15:51 PROXY1 snort[9933]: FATAL ERROR: /etc/snort/processed.rules(2003) => Content data needs to be enclosed in quotation marks (")!
Nov 6 12:16:02 PROXY1 sudo: nobody : TTY=unknown ; PWD=/home/httpd/cgi-bin ; USER=root ; COMMAND=/usr/local/bin/restartsnortrules.py no-restart
Nov 6 12:16:02 PROXY1 sudo: nobody : TTY=unknown ; PWD=/home/httpd/cgi-bin ; USER=root ; COMMAND=/usr/local/bin/fetchsnortrules.py --force