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  • Windows 7: How to enable firewall disabled by global policy on a computer joined to a domain?

    - by kzen
    On a Windows 7 Enterprise 64-bit laptop joined to a corporate domain, the Windows Firewall is disabled by a global policy. Is there any way to enable the Windows Firewall in this scenario? The gpedit.msc setting Windows Firewall: Protect all network connections is inaccessible. EDIT: It appears that changing HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\gpsvc\Start value to 4 will disable the GPO and allow you to start the firewall and stop the bots from pushing cr*p to your computer... will check on Monday and if it works I'll confirm here in case someone else in my situation wonders upon this question... EDIT: It's probably better if I write a mock windows service not doing anything and name it according to what is expected to be on my box and than crete mock McCrappy executable and mock McCrappy folder structure and remove all the actual stuff... That would take a little time but would most certainly make my box completely stealthy...

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  • Stopped windows firewall service during ICS, how is this possible?

    - by insipid
    Although windows firewall is required to be on when you "start" Internet Connection Sharing, you can stop the WF service with MMC. When done a client can still use the host machines internet. The firewall had port 80/http blocked, and now it is open for incoming traffic. However other ports used by applications on the host and client which communicate with each other still seem to be blocked. Can anybody explain what might be happening here? Doesn't ICS need windows firewall for NAT? Note: I am not actually seeing anything in the firewall logs after stopping the service, but even packets sent localhost on the host machine never arriving on these other random ports.

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  • Asterisk server firewall script allows 2-way audio from incoming calls, but not on outgoing?

    - by cappie
    I'm running an Asterisk PBX on a virtual machine directly connected to the Internet and I really want to prevent script kiddies, l33t h4x0rz and actual hackers access to my server. The basic way I protect my calling-bill now is by using 32 character passwords, but I would much rather have a way to protect The firewall script I'm currently using is stated below, however, without the established connection firewall rule (mentioned rule #1), I cannot receive incoming audio from the target during outgoing calls: #!/bin/bash # first, clean up! iptables -F iptables -X iptables -t nat -F iptables -t nat -X iptables -t mangle -F iptables -t mangle -X iptables -P INPUT ACCEPT iptables -P FORWARD DROP # we're not a router iptables -P OUTPUT ACCEPT # don't allow invalid connections iptables -A INPUT -m state --state INVALID -j DROP # always allow connections that are already set up (MENTIONED RULE #1) iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT # always accept ICMP iptables -A INPUT -p icmp -j ACCEPT # always accept traffic on these ports #iptables -A INPUT -p tcp --dport 80 -j ACCEPT iptables -A INPUT -p tcp --dport 22 -j ACCEPT # always allow DNS traffic iptables -A INPUT -p udp --sport 53 -j ACCEPT iptables -A OUTPUT -p udp --dport 53 -j ACCEPT # allow return traffic to the PBX iptables -A INPUT -p udp -m udp --dport 50000:65536 -j ACCEPT iptables -A INPUT -p udp -m udp --dport 10000:20000 -j ACCEPT iptables -A INPUT -p udp --destination-port 5060:5061 -j ACCEPT iptables -A INPUT -p tcp --destination-port 5060:5061 -j ACCEPT iptables -A INPUT -m multiport -p udp --dports 10000:20000 iptables -A INPUT -m multiport -p tcp --dports 10000:20000 # IP addresses of the office iptables -A INPUT -s 95.XXX.XXX.XXX/32 -j ACCEPT # accept everything from the trunk IP's iptables -A INPUT -s 195.XXX.XXX.XXX/32 -j ACCEPT iptables -A INPUT -s 195.XXX.XXX.XXX/32 -j ACCEPT # accept everything on localhost iptables -A INPUT -i lo -j ACCEPT # accept all outgoing traffic iptables -A OUTPUT -j ACCEPT # DROP everything else #iptables -A INPUT -j DROP I would like to know what firewall rule I'm missing for this all to work.. There is so little documentation on which ports (incoming and outgoing) asterisk actually needs.. (return ports included). Are there any firewall/iptables specialists here that see major problems with this firewall script? It's so frustrating not being able to find a simple firewall solution that enabled me to have a PBX running somewhere on the Internet which is firewalled in such a way that it can ONLY allows connections from and to the office, the DNS servers and the trunk(s) (and only support SSH (port 22) and ICMP traffic for the outside world). Hopefully, using this question, we can solve this problem once and for all.

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  • How can I prevent Windows 7 from automatically changing the firewall settings (turning it back on) when changing network location?

    - by YpeDeg
    By default, the firewall is turned on on all my workstations. I want to disable it. That works just fine. However, if Windows thinks there is a change in the Network Location, the "Set Network Location" dialog appears. At that point my Firewall is still disabled. When my users click on any of the three options "Work", "Home" or "Public", Windows immediately changes the firewall settings and turns it back on. Is it possible to stop Windows 7 from automatically turning the firewall back on when you change the Network Location? If yes, how could I perform this task?

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  • Apple push notifications - firewall?

    - by fede
    I've read that to receive push notifications over Wifi the firewall must allow TCP traffic over port 5223. However, the network administrator tells me he needs the IP addres of the server. Would it be gateway.sandbox.push.apple.com? Thanks!

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  • linux firewall in c

    - by asha
    i m implementing a firewall for linux,i want to block packets using loadable kernal module(lkm). please help me how can i do it ? i just know that it can be done by lkm by using some function in it,like init(),clean_up. i want to know how to use DROP,ACCEPT in blocking function within lkm. i want to do it without iptable command.

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  • website and protocol restriction (firewall application)

    - by Smith
    Am developing a firewall application that is suppose to restrict website/protocols/webs directories system wide that i choose for example restrict login.domain.com, but not domain.com restrict domain.com/passport not domain.com restrict .tld types e.g .org pls give me some ideas? [edit] Am developing on the windows plat form , from win 2000 to win7, using any vb language vb6 upwards also i want to be able to block any protocol http ftp etc.

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  • How to Configure Ubuntu’s Built-In Firewall

    - by Chris Hoffman
    Ubuntu includes its own firewall, known as ufw – short for “uncomplicated firewall.” Ufw is an easier-to-use frontend for the standard Linux iptables commands. You can even control ufw from a graphical interface. Ubuntu’s firewall is designed as an easy way to perform basic firewall tasks without learning iptables. It doesn’t offer all the power of the standard iptables commands, but it’s less complex. HTG Explains: Why Linux Doesn’t Need Defragmenting How to Convert News Feeds to Ebooks with Calibre How To Customize Your Wallpaper with Google Image Searches, RSS Feeds, and More

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  • Restrict RDP port based on a Dynamic DNS

    - by webnoob
    Hi All, I want to set a restriction on my firewall (windows firewall on windows 2008) to only allow connections from a certain dynamic DNS. Is this possible? The reason I ask is that this would allow us to just change the IP on the dynamic DNS if our IP changes and means we won't get locked out of RDP. This also allows me to RDP in from other locations that have IP's that are not static by just changing the IP against the DNS. Any ideas. Thanks in advance.

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  • Bypass Facebook Social Reader Apps using Google Chrome Extension

    - by Gopinath
    One of the most annoying features of Facebook  is it’s Social Reader Apps that share automatically whatever your read, watch or listen online.  I don’t like to share what ever I do online to Facebook as I want my privacy. Few of  my friends knowingly or unknowingly are using Social Reader apps and their online activity is automatically posted to the wall. To read these articles or watch videos shared by Social Reader application I need to add the application and allow it to automatically post. I don’t like Social Reader Apps and if you are one like me, here is a Google Chrome browser plugin that allows us to bypass Social Reader Apps. The extension Facebook Unsocial Reader smartly rewrites Facebook links in such a way that you will be able to access content of links without adding Social Reader Apps to your account. To rewrite the links, the extension cleverly uses Google I’m Feeling Lucky service and searches for the article’s title. The first search result of Google is almost perfect in identifying the original article link. If you are a heavy Facebook user and concerned about using Social Reader Apps, this plugin is must to have. Photo (cc) Josh Hallett. Facebook Unsocial Reader Extension for Google Chrome

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  • Új adatbázis-biztonsági termék: Audit Vault and Database Firewall, lényegesen olcsóbban

    - by user645740
    Az Oracle összevonta az Audit Vault és a Database Firewall termékeket, még szélesebb felhasználói körnek elérhetové téve az adatbázisok biztonságának magasabb szintjét. Az új termék, az Oracle Audit Vault and Database Firewall (AVDF) mostantól kedvezobb áron érheto el. A jelentések megtekintéséhez restricted use-ban tartalmazza  a Business Intelligence Publisher licencet. Az adatgyujto, management szerver komponensek kiemelten védettek, az Audit Vault Server és a Database Firewall szerverekre restricted use-ban használhatók:Oracle Database Enterprise Edition, Database Vault, Partitioning, Advanced Compression és Advanced Security.

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  • How do I allow all possible IPs for Gmail servers through my ufw firewall?

    - by nomadicME
    I am currently using the following rule: ufw allow out from my_local_ip to any port 587 This is a little too lax for my liking. I would like to tighten it up and restrict it to only gmail's smtp server ip addresses, but they are always changing. I used to just wait until an outgoing email didn't make it to its destination, then check syslog for the ip address that was blocked, then add that to the ufw configure script. However, now I have a need for much more reliability. Is there any way to use smtp.gmail.com in ufw? I don't think so, but thought I would ask. Any other ideas? Thanks.

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  • books about Firewall development

    - by VP
    Hi, i was just asked today, but i couldn't answer precisely so that's why i'm asking here :-) There is any book about Firewall design and implementations (Unix environment and C)? For sure, i could recommend TCP/IP books, and what i did, but there is some design decisions, that are not related with TCP/IP. For sure, i said about the netfilter/iptables (RTFSC) but as well we cannot assume that the netfilter/iptables is the best approach since we don't have too many baselines (ok, we could compare it with PF, but again, read source code to understand design decisions is not always the best way). So if anybody knows a book about this theme, please shoot it!

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  • enable iptables firewall on linux

    - by user13278061
     Here is a very basic set of instruction to setup a simple iptables firewall configuration on linux (redhat) Enable firewall log as root thenenter the following command, it launch a text gui #> setup first screen: Choose firewall configuration second screen: choose "Enabled" then "Customize" third screen: select you interface in "Trusted Devices", select "Allow Incoming" for "SSH" "Telnet" "FTP" (add eventually other ports, then press "OK" (2 times, then "Quit") At that point the firewall is enabled. You can start/stop/monitor using service iptables start/stop/status Change timeout to changed the tcp established connection timeout #> echo 120 >    /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_timeout_established Monitor connection in iptables tables for example if you want to track a connection establish from a host  152.68.65.207 #> cat /proc/net/ip_conntrack |grep 152.68.65.207

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  • Connecting to device behind firewall

    - by tim
    I have a wpf app that needs to communicate(exchange data) with a custom designed device (we can modify the code for the device). Do I have any options to connect to the device if it is behind a firewall via http? I was hoping there would be a method where the admin would not have to forward any specific ports or do anything on his end. I assume the issue is how would I address the device from my app. I know SOAP over SMTP is one option. Is another option where the device could chatter out to my application via http?

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  • Cablemodem (SBG6580) firewall denying some outbound traffic? Why? Not configured [migrated]

    - by lairdb
    I finally got around to turning the syslog on for my cablemodem (Motorola Surfboard SBG6580) and I'm seeing about the expected amount of inbound attackage being blocked... 2014-05-30 21:59:02 Local0.Alert 192.168.111.1 May 31 04:58:56 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,4500 --> 66.27.xx.xx,61459 DENY:Firewall interface [IP Fragmented Packet] attack 2014-05-30 21:59:02 Local0.Alert 192.168.111.1 May 31 04:58:56 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 17.172.232.109,5223 --> 66.27.xx.xx,53814 DENY:Firewall interface access request 2014-05-30 21:59:02 Local0.Alert 192.168.111.1 May 31 04:58:57 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,443 --> 66.27.xx.xx,53385 DENY: Firewall interface [IP Fragmented Packet] attack 2014-05-30 21:59:02 Local0.Alert 192.168.111.1 May 31 04:58:57 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,4500 --> 66.27.xx.xx,61459 DENY:Firewall interface [IP Fragmented Packet] attack 2014-05-30 21:59:10 Local0.Alert 192.168.111.1 May 31 04:59:04 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,443 --> 66.27.xx.xx,59960 DENY: Firewall interface [IP Fragmented Packet] attack 2014-05-30 21:59:10 Local0.Alert 192.168.111.1 May 31 04:59:04 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,4500 --> 66.27.xx.xx,61459 DENY:Firewall interface [IP Fragmented Packet] attack ...and that's great. (Sad, but great.) But I'm also seeing a HUGE amount of what appears to be denied outbound connectivity: 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58969 --> 38.81.66.127,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58969 --> 38.81.66.127,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58965 --> 162.222.41.13,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58965 --> 162.222.41.13,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58964 --> 38.81.66.179,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58964 --> 38.81.66.179,443 DENY: Inbound or outbound access request ...and Spot checking suggests that it's all legitimate traffic (Opening connections to CrashPlan, etc.), I have no restrictions configured in the modem; I don't see why it should be blocking anything. Am I misreading the log entry, and it's not actually being denied? (Seems unlikely.) Is the ISP (TWC) pushing deny tables that are not exposed in the UI? (Tinfoil hat too tight.) I'm confused. (The good news, such as it is, is that AFAIK I'm not experiencing any actual issues... but maybe I am; tough to tell.) Thanks.

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  • How to add an iptables rule with source IP address

    - by ???
    I have a bash script that starts with this: if [[ $EUID -ne 0 ]]; then echo "Permission denied (are you root?)." exit 1 elif [ $# -ne 1 ] then echo "Usage: install-nfs-server <client network/CIDR>" echo "$ bash install-nfs-server 192.168.1.1/24" exit 2 fi; I then try to add the iptables rules for NFS as follows: iptables -A INPUT -i eth0 -p tcp -s $1 --dport 111 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 111 -m state --state ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -p udp -s $1 --dport 111 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p udp --sport 111 -m state --state ESTABLISHED -j ACCEPT service iptables save service iptables restart I get the error: Try iptables -h' or 'iptables --help' for more information. Bad argument111' Try iptables -h' or 'iptables --help' for more information. Bad argument111' Saving firewall rules to /etc/sysconfig/iptables: ^[[60G[^[[0;32m OK ^[[0;39m]^M Flushing firewall rules: ^[[60G[^[[0;32m OK ^[[0;39m]^M Setting chains to policy ACCEPT: filter ^[[60G[^[[0;32m OK ^[[0;39m]^M Unloading iptables modules: ^[[60G[^[[0;32m OK ^[[0;39m]^M Applying iptables firewall rules: ^[[60G[^[[0;32m OK ^[[0;39m]^M Loading additional iptables modules: ip_conntrack_netbios_ns ^[[60G[^[[0;32m OK ^[[0;39m]^M When I open /etc/sysconfig/iptables these are the rules: # Generated by iptables-save v1.3.5 on Mon Mar 26 08:00:42 2012 *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [466:54208] :RH-Firewall-1-INPUT - [0:0] -A INPUT -j RH-Firewall-1-INPUT -A FORWARD -j RH-Firewall-1-INPUT -A OUTPUT -o eth0 -p tcp -m tcp --sport 111 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -o eth0 -p udp -m udp --sport 111 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -o eth0 -p tcp -m tcp --sport 111 -m state --state ESTABLISHED -j ACCEPT -A OUTPUT -o eth0 -p udp -m udp --sport 111 -m state --state ESTABLISHED -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT -A RH-Firewall-1-INPUT -p udp -m state --state NEW -m udp --dport 111 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT -A RH-Firewall-1-INPUT -i lo -j ACCEPT -A RH-Firewall-1-INPUT -p icmp -m icmp --icmp-type any -j ACCEPT -A RH-Firewall-1-INPUT -p esp -j ACCEPT -A RH-Firewall-1-INPUT -p ah -j ACCEPT -A RH-Firewall-1-INPUT -d 224.0.0.251 -p udp -m udp --dport 5353 -j ACCEPT -A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 631 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited COMMIT # Completed on Mon Mar 26 08:00:42 2012 ~ "/etc/sysconfig/iptables" 32L, 1872C I've also tried: iptables -I RH-Firewall-1-INPUT 1 -m state --state NEW -m tcp -p tcp --source $1 --dport 111 -j ACCEPT iptables -I RH-Firewall-1-INPUT 2 -m udp -p udp --source $1 --dport 111 -j ACCEPT

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  • WCF push to client through firewall?

    - by Sire
    See also How does a WCF server inform a WCF client about changes? (Better solution then simple polling, e.g. Coment or long polling) I need to use push-technology with WCF through client firewalls. This must be a common problem, and I know for a fact it works in theory (see links below), but I have failed to get it working, and I haven't been able to find a code sample that demonstrates it. Requirements: WCF Clients connects to server through tcp port 80 (netTcpBinding). Server pushes back information at irregular intervals (1 min to several hours). Users should not have to configure their firewalls, server pushes must pass through firewalls that have all inbound ports closed. TCP duplex on the same connection is needed for this, a dual binding does not work since a port has to be opened on the client firewall. Clients sends heartbeats to server at regular intervals (perhaps every 15 mins) so server knows client is still alive. Server is IIS7 with WAS. The solution seems to be duplex netTcpBinding. Based on this information: WCF through firewalls and NATs Keeping connections open in IIS But I have yet to find a code sample that works.. I've tried combining the "Duplex" and "TcpActivation" samples from Microsoft's WCF Samples without any luck. Please can someone point me to example code that works, or build a small sample app. Thanks a lot!

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  • Webservice randomly dropping connections - possibly due to firewall nonevent data?

    - by adam
    I have a hosted webapp which requests data from a REST webservice in our office. Each page calls one (or several) webservices, which go from our host, via our firewall (a Watchguard Firebox) to a server in our office. All of a sudden, the app has dramatically slowed. We have determined that the webservice is timing out at random when called externally (it's fine when called within the office network). I'm pretty certain it's our connection which is dropping the webservice call, so I've written a quick php/curl script which calls the webservice over many iterations and shows the various timings. Below is an example output, showing both a failed and a successful call (with a 5 second timeout): http_code namelookup_time connect_time pretransfer_time starttransfer_time total_time 1 0 0.000096 0.0342 0.0000 0.0000 0.0342 2 200 0.000052 0.0332 0.1327 0.1751 0.1752 As per iteration #1 above, failed requests seem to be failing between connect and pretransfer. I'm not sure if this shows that the connection is successfully past the firewall, or could the firewall still cause an issue? Our firewall is showing a series of nondata event log messages for the relevant access rule. Our IT team tells me these are routine, although I can find no mention of these in Google. I'm not sure if this fits in between connect and pretransfer. Having elinated the webservice server (by testing internally) and the live webapp (by testing different code on different external servers, I am left suspecting the connection to the office. Could the firebox nondata events be causing a problem between connect and pretransfer?

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  • Does ICS modify windows firewall policies in the registry?

    - by insipid
    I had a host machine I wanted to enable ICS on. First I realized that doing so was not possible until I enabled the Windows Firewall. Once I enabled the firewall and set up ICS, I noticed due to group policy I could no longer disable the firewall. Also, any ports I tried to open seemed to be ignored. Although nothing seemed to be configured when I used the mmc snap-in to view local computer policy, when I checked the registry I noticed several policies set there in HKLM (such as disabling AllowLocalPolicyMerge). I was able to remove the policies from the registry and my open ports worked, but they were eventually re-added without my input. The network I am sharing the internet from is an "unsecured" wireless network with an authentication page, is it possible that this is causing those policies to be set? Did ICS set those policies? When you go to the properties of the ICS enabled adapter and go to the ICS settings it takes you to a tab called services where you can add and remove "services running on your network that internet users can access". Is this related to the windows firewall?

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  • Why my Buffalo router keeps on sending rdp, netbios, ftp, http requests?

    - by user192702
    I have the following network setup: Buffalo Router (192.168.100.1) < Watchguard XTM21 (192.168.100.13) < PC For some reason I keep on seeing the following repeating on my XTM21's Traffic Monitor. While I have enabled Port Forwarding, none of the ports reported below were enabled. Can someone let me know why I'm seeing all of these? 2013-10-19 23:37:56 Deny 192.168.100.1 192.168.100.13 ftp/tcp 4013 21 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 282700472 win 5840" Traffic 2013-10-19 23:37:59 Deny 192.168.100.1 192.168.100.13 http/tcp 2459 80 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 296571237 win 5840" Traffic 2013-10-19 23:38:02 Deny 192.168.100.1 192.168.100.13 8000/tcp 3244 8000 0-External Firebox blocked ports 60 64 (Internal Policy) proc_id="firewall" rc="101" tcp_info="offset 10 S 298709937 win 5840" Traffic 2013-10-19 23:38:05 Deny 192.168.100.1 192.168.100.13 8000/tcp 3244 8000 0-External Firebox blocked ports 60 64 (Internal Policy) proc_id="firewall" rc="101" tcp_info="offset 10 S 298709937 win 5840" Traffic 2013-10-19 23:38:05 Deny 192.168.100.1 192.168.100.13 rdp/tcp 3896 3389 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 290482691 win 5840" Traffic 2013-10-19 23:38:08 Deny 192.168.100.1 192.168.100.13 netbios-ns/udp 2110 137 0-External Firebox Denied 78 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" Traffic 2013-10-19 23:38:32 Deny 192.168.100.1 192.168.100.13 ftp/tcp 4025 21 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 321868558 win 5840" Traffic 2013-10-19 23:38:35 Deny 192.168.100.1 192.168.100.13 http/tcp 2471 80 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 325918731 win 5840" Traffic 2013-10-19 23:38:38 Deny 192.168.100.1 192.168.100.13 8000/tcp 3256 8000 0-External Firebox blocked ports 60 64 (Internal Policy) proc_id="firewall" rc="101" tcp_info="offset 10 S 327854525 win 5840" Traffic 2013-10-19 23:38:41 Deny 192.168.100.1 192.168.100.13 8000/tcp 3256 8000 0-External Firebox blocked ports 60 64 (Internal Policy) proc_id="firewall" rc="101" tcp_info="offset 10 S 327854525 win 5840" Traffic 2013-10-19 23:38:41 Deny 192.168.100.1 192.168.100.13 rdp/tcp 3896 3389 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 327101423 win 5840" Traffic 2013-10-19 23:38:44 Deny 192.168.100.1 192.168.100.13 netbios-ns/udp 2110 137 0-External Firebox Denied 78 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" Traffic

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  • Virtual environment firewall with CSF + iptables rules on VM?

    - by luison
    We are getting into virtualization with a Proxmox VE (OpenVZ + KVM) server. Our plan for firewall is to have CSF (http://configserver.com/cp/csf.html) running on the host machine as we've had a reasonable good experience with it in the past. Apart from that we plan simple firewall rules on the VM machines (mostly OpenVZ containers with same kernel) and maybe fail2ban simple specific rules. I would appreciate comments with anyone with similar experiences? I understand all traffic comes via the host machine so a combined firewall there with specific firewalling on the VM should work, alltough some iptables rules are hard to get to work on OpenVZ containers.

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  • Firewall Deep Inspection Updates and Antivirus Subscription, worth it?

    - by msemack
    I realize that this is a subjective question, but I'm trying to get some experiences We have Juniper firewalls in our organization (SSG-320M, SSG-5, and some old NS-5GT). We have the option of a yearly subscription for: Deep Inspection Signature Updates Juniper-Kaspersky Antivirus I seem similar services available from other Firewall vendors. We have Symantec Endpoint Protection deployed to all workstations and servers, plus a dedicated appliance for e-mail spam/virus filtering. So, I'm not sure what these firewall-base services will bring to the table that I don't already have. I would appreciate some feedback from people using these firewall services (Juniper or otherwise). Are these services generally worth it? Do they really catch anything? Do they interfere with normal traffic (false positives)?

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