PfBlockerNG
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What do you see in System Log, pfblockerlog, Diagnostic System Activity, etc ?
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What do you need ?
I know top -aSH, system.log, but what other ?
The problem is, if the box was unnaccessible, I have no other way rebooting it, and after this, PfSense no longer boot, still blocked after system 32 ldconfig, just before loading fstab I assume, so if you know how to get back the information, i could give you a lot more … (I think too many process are writing, and finaly file system was corrupted, so I can't no longer mount the system, I've try by rescue mode from PfSense installation,w ithout success !)
I'll reinstall PfBlockerNG and wait for a crash and give you the results, juste let me know what's the best informations to keep before and after crash and Ill do !
Thanks in advance.
Best regards,
Alex. -
The logs are located in /var/log/pfblockerng
Check to see if you have a loopback address with```
grep "^127" /var/db/pfblockerng/deny/*When you restore the config, edit the config file first and change <enable_cb>on</enable_cb> to off, this way pfBlockerNG isn't enabled on reboot. If you are using DNSBL, on restore a missing pfb_dnsbl.conf would prevent the Resolver from starting. You can :``` touch /var/unbound/pfb_dnsbl.conf
before the reboot in order to have unbound start and get Resolver service running.
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I don't know if this can help (I doubt) but on my SysLog Server, at the first day where my problem begin, I can see this :
2016-07-26 00:09:15 info local7 dhcpd 171,16777216,,1000022611,lo0,match,pass,in,4,0x0,,64,21510,0,none,17,udp,72,127.0.0.1,127.0.0.1,21251,53,52 2016-07-26 00:09:15 info local7 dhcpd 178,16777216,,1000022712,lagg0_vlan91,match,pass,out,4,0x0,,64,7240,0,none,17,udp,69,81.210.11.173,212.27.40.241,22626,53,49 2016-07-26 00:09:15 info local7 dhcpd 4747,16777216,,1429561533,lagg0_vlan30,match,pass,in,4,0x0,,100,5443,0,none,17,udp,58,192.168.191.245,192.168.191.250,8161,53,38 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(12): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(12): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(12): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(7): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(8): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(8): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(4): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(9): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(9): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(8): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(4): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(7): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(8): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(4): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(7): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(6): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(6): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(6): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(7): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(6): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(7): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(4): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(4): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(15): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(8): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(6): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(9): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(14): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(13): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(6): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(4): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(2): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(8): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(12): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(6): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(12): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(9): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(5): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(6): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(12): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(9): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(14): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(9): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:09:02 crit local7 dhcpd swap_pager_getswapspace(3): failed 2016-07-26 00:09:01 crit local7 dhcpd swap_pager_getswapspace(16): failed 2016-07-26 00:08:06 info local7 dhcpd 4647,16777216,,1431955052,lagg0_vlan40,match,pass,in,4,0x0,,64,12387,0,DF,17,udp,63,192.168.194.1,192.168.199.250,37762,53,43 2016-07-26 00:08:06 info local7 dhcpd 4747,16777216,,1429561533,lagg0_vlan30,match,pass,in,4,0x0,,100,5301,0,none,17,udp,58,192.168.191.245,192.168.191.250,8091,53,38 2016-07-26 00:08:06 info local7 dhcpd 1656,16777216,,1770011086,lagg0_vlan91,match,block,in,4,0x0,,112,32706,0,none,17,udp,134,92.38.104.168,81.210.11.173,59402,38613,114 2016-07-26 00:08:05 info local7 dhcpd 178,16777216,,1000022712,lagg0_vlan91,match,pass,out,4,0x0,,64,20656,0,none,17,udp,69,81.210.11.173,212.27.40.241,39154,53,49 2016-07-26 00:08:05 info local7 dhcpd 4714,16777216,,1429561478,lagg0_vlan10,match,pass,in,4,0x0,,64,0,0,DF,17,udp,88,192.168.190.114,23.234.53.67,26042,10001,68 2016-07-26 00:08:05 info local7 dhcpd 178,16777216,,1000022712,lagg0_vlan91,match,pass,out,4,0x0,,64,0,0,DF,17,udp,88,81.210.11.173,23.234.53.67,44638,10001,68 2016-07-26 00:08:05 info local7 dhcpd 4714,16777216,,1429561478,lagg0_vlan10,match,pass,in,4,0x0,,64,0,0,DF,17,udp,88,192.168.190.114,23.234.53.61,26042,10001,68 2016-07-26 00:08:05 info local7 dhcpd 178,16777216,,1000022712,lagg0_vlan91,match,pass,out,4,0x0,,64,0,0,DF,17,udp,88,81.210.11.173,23.234.53.61,44359,10001,68
This error from DHCPD only occur when PfBlokerNG is installed, I don't understand why …
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Out of swap space?
Too little ram?
Pfblockerng was starting to swap for me at 8 gigs, so I bought another 8 to be safe.
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I've found (thanks johnpoz) that my problem seem to be a memory problem :
2016-07-25 17:18:22 err local7 dhcpd /usr/local/www/pfblockerng/pfblockerng.php: PHP ERROR: Type: 1, File: /etc/inc/config.lib.inc, Line: 202, Message: Allowed memory size of 268435456 bytes exhausted (tried to allocate 13129085 bytes)
johnpoz gived me thread where this problem is discussed : here
Is this "patch" working ? :
Temporary Fix for
php /usr/local/www/pfblockerng/pfblockerng.php update
Failing with memory exhaustion:
cp /etc/rc.php_ini_setup /etc/rc.php_ini_setup.BACKUP
cp /usr/local/etc/php.ini /usr/local/etc/php.ini.BACKUP
perl -pi -e 's/536870912/671088640/g' /etc/rc.php_ini_setup /usr/local/etc/php.ini512 * 1024 * 1024 -> 536870912
640 * 1024 * 1024 -> 671088640 works for me. maybe your setup needs moreWhat will be the correct memory size for 64 Bits installation ? On i386 BBcan77 seem to recommend 300M.
Perhaps, I can't upgrade memory, my embeed can handle 4 Gb at maximum (I've update it with a 4 Gb memory).
Thanks for your help.
Best regards,
Alex. -
Perforado's solution modify the pfsense installation and could be overwritten when fpsense update happens. The BBcan177 solution only fixes the pfBlockerNG system, so it shouldn't break anything else. By default is is 512MB on a amd64 box, so you might rise it to 640M or 768M.
How big is swap? Do you have /var in ram? Is-it filling up ?
More info on your swap space issue : https://www.google.com/search?q=swap_pager_getswapspace&hl=en-US
As for pfBlockerNG have a look at https://forum.pfsense.org/index.php?topic=102470.msg645219#msg645219
Did you look at the pfblockerNG.log to see if things are running fine ?
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All the php-scripts spawned by the gui are constrained by the memory-limit set by suhosin. Which is 512MB.
That's what my perl-one-liner was for. I even increased the limit to 4GB for testing today …
For those wandering about suhosin, it is defined in /usr/local/etc/php.ini
; File generated from /etc/rc.php_ini_setup output_buffering = "0" expose_php = Off implicit_flush = true magic_quotes_gpc = Off max_execution_time = 900 request_terminate_timeout = 900 max_input_time = 1800 max_input_vars = 5000 register_argc_argv = On register_long_arrays = Off variables_order = "GPCS" file_uploads = On upload_tmp_dir = /tmp upload_max_filesize = 200M post_max_size = 200M html_errors = Off zlib.output_compression = Off zlib.output_compression_level = 1 include_path = ".:/etc/inc:/usr/local/www:/usr/local/captiveportal:/usr/local/pkg:/usr/local/www/classes:/usr/local/www/classes/Form" display_startup_errors=on display_errors=on log_errors=on error_log=/tmp/PHP_errors.log extension_dir=/usr/local/lib/php/20131226/ date.timezone="America/New_York" session.hash_bits_per_character = 5 session.hash_function = 1 ; Extensions ; opcache Settings opcache.enabled="1" opcache.enable_cli="0" opcache.memory_consumption="50" [suhosin] suhosin.get.max_array_index_length = 256 suhosin.get.max_vars = 5000 suhosin.get.max_value_length = 500000 suhosin.post.max_array_index_length = 256 suhosin.post.max_vars = 5000 suhosin.post.max_value_length = 500000 suhosin.request.max_array_index_length = 256 suhosin.request.max_vars = 5000 suhosin.request.max_value_length = 500000 suhosin.memory_limit = 536870912
Setting 'memory_limit' in the inc file is maxed by the suhosin.memory_limit.
The memory_limit is defined in /etc/inc/config.inc
// Set memory limit to 512M on amd64. if ($ARCH == "amd64") { ini_set("memory_limit", "512M"); } else { ini_set("memory_limit", "128M"); }
So for those using many IPV6 GeoIP table on amd64, they probably have to change /usr/local/etc/php.ini /etc/rc.php_ini_setup and the pfblockerng.inc as well as the Firewall Maximum Table Entries
The php memory issues are not specific to pfBlockerNG, backup crashes when backup size is too big, the Diagnostics/Tables will crash when viewing huge table, etc.
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Hi There,
Let me start by saying this is an awesome package and I love all your hard work on it!
I have a bit of an issue from time to time with the DNSBL. It seems some sites, in this case youtube.com, are getting falsely blocked with unbound/DNSBL. It comes up with "No Match" yet the block rule is still firing away. Any thuoghts as to why?
I've tried reinstalling the package, doing updates/reloads, to no avail. It does seem to work temporarily if I disable DNSBL, and works for a while until the states reset or DNS refreshes I guess when I re-enable DNSBL.
Picture attached. Note that youtube.com is already in the suppress list as well to whitelist it!
Cheers
Humm3r![false positive dnsbl.PNG](/public/imported_attachments/1/false positive dnsbl.PNG)
![false positive dnsbl.PNG_thumb](/public/imported_attachments/1/false positive dnsbl.PNG_thumb) -
https://forum.pfsense.org/index.php?topic=116490.0
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https://forum.pfsense.org/index.php?topic=116490.0
This has been on and off for a week. I've tried updating as per the thread you linked to all week, but hasn't helped.
I'll keep trying to update and see what happens. let me know if there's anything else you can suggest, I do appreciate the link! :)
![updated not working.PNG](/public/imported_attachments/1/updated not working.PNG)
![updated not working.PNG_thumb](/public/imported_attachments/1/updated not working.PNG_thumb) -
Did you put youtube-ui.l.google.com in the whitelist ?
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Did you put youtube-ui.l.google.com in the whitelist ?
That helped, but IE still gets an error about the certificates. I'm guessing this has to do with the ads being blocked. Just wanted to post back my findings, thanks for the help :)
It works fine in Chrome which is my main browser.
![youtube ads.PNG](/public/imported_attachments/1/youtube ads.PNG)
![youtube ads.PNG_thumb](/public/imported_attachments/1/youtube ads.PNG_thumb)
![pfblockerng alerts.PNG](/public/imported_attachments/1/pfblockerng alerts.PNG)
![pfblockerng alerts.PNG_thumb](/public/imported_attachments/1/pfblockerng alerts.PNG_thumb) -
To install or re-install pfBlockerNG 2.1.1_2
https://forum.pfsense.org/index.php?topic=102470.msg647719#msg647719
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Crazy Question:
Have up to date PFsense, 2.3.2-RELEASE (i386)
built on Tue Jul 19 13:09:39 CDT 2016Installed pfBlockerNG package from web interface.
INSTALLED SUCCESSFULLY as it said when it completed.Could not find (it) anywhere in the web interface.
REBOOTED
Shows Installed: pfBlockerNG 2.1.1_2
Still cannot find it or anywhere in the web interface.
I understand it should show up under <firewall>in the web interface but is not there.Rebooting does not fix it.
I have no clue what to try next.</firewall>
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Check the installation logs, /var/log/pfblockerng/*, Dashboard for crash report etc.
and look here https://forum.pfsense.org/index.php?topic=102470.msg647719#msg647719 -
Thanks will do.
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Here is a link to PR # 175 for pfBlockerNG v2.1.1_3
https://forum.pfsense.org/index.php?topic=115357.msg649167#msg649167
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I want to clarify my understanding of blocking and whitelisting here. I'm running a home network with no open WAN ports.
I have turned off default allow any lan, anti lockout rules, put up a floating block everything rule and write a couple LAN pass rules to allow the ports I need.
On pfBNG I'm using a bunch of lists the BBCan177 suggested. I'm also using DNSBL lists he suggested and the easy lists. Finally I have the top20 spammers country lists. ALL of these rules are LAN deny outbound.
I see everywhere that you should not block the world and only allow what you need, but it seems like that is directed to setups with open WAN ports. Is LAN deny outbound for country lists valid? I am getting a lot of blocks for the top spammers country lists.
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I am getting a lot of blocks for the top spammers country lists.
If your just using the TOP20, that's not "Blocking the World"… Some users, are clicking every Country in every Continent except for a few, and that's what "B.T.W." was referencing...
You can review the Alerts Tab, to see what's getting blocked... You can also refine the Alerts by using the "Alert Filter" tool.