RVS4000 Default Firewall Rule

Hi, RVS4000 has default firewall rule from ANY WAN -> to ANY LAN with status Allowed. Should that be denied by default, like in RV042 or RVL200?

Jasbryan,
Thank you for suggesting the call to business support.
The support staff member was able to fully clarify (and thus resolve) the issue. Further, she will initiate the steps necessary to get the GUI updated in a future firmware release, so that the default rule will properly reflect DENY for all WAN to LAN connections.
And so that others might be made aware (or learn, as did I) about the operation of the RV4000 firewall, here is a brief description of the resolution. Being used to One-To-One NAT devices, I believed that in addition to a Port Forwarding rule, I also needed to create a corresponding ACL firewall rule. However the support agent revealed that a Port Forwarding entry (automatically) opened the appropriate port(s) in the firewall, so that creation of an explicit rule was not necessary. My testing that revealed open ports without the presence of an ACL had only been done on ports associated with my Port Forwarding rules, so my testing was basically flawed. Now I know!

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Mac Mini, iTunes 7.4.2, Mac OS X 10.4.10 -- firewall rules are broken

Last night I updated from 7.4.1 to 7.4.2. Nothing else changed on my Mac Mini (Intel Core 2 DUO) running Mac OS X 10.4.10.
I immediately found that none of my other computers nor my Apple TV could reach my shared music library, which is hosted by the Mac Mini.
I normally run with the firewall enabled and in fact the box is checked to allow iTunes music sharing. HOWEVER, since upgrading to iTunes 7.4.2, the firewall rule is somehow no longer sufficient.
I had to turn off the firewall in order for my other computers and the Apple TV to be able to reach my shared library on my Mac Mini.
Effectively, something has changed w.r.t. sharing in iTunes 7.4.2, such that the default firewall rules in Mac OS X 10.4.2 are no longer allowing clients to connect to the iTunes shared libraries.

The 1G iPod should still work OS X 10.4.11 (Tiger). Since the Mac still sees the iPod as an externally mounted drive, we'll take that as a good sign.
Have you seen this article yet?
iPod does not appear in iTunes or iPod updater in Mac OS X
And perhaps work through all the suggestion here as well?
iPod not recognized in iTunes and Mac desktop
B-rock

Appending Firewall Rules to vShield Edge with PowerCLI Script

Hi,
I have a script which enables us to upload 4k worth of firewall rules, but every time it executes, all existing rules are over written.
Is this something to do with the API or just a scripting issue - if so, can anyone suggest how to append on to the existing set?
Update:
So obviously the following line seems to create a new instance of the firewall:
$fwService = New-Object vmware.vimautomation.cloud.views.firewallservice
Because the next 3 lines after are setting the main firewall parameters again - something you wouldn't need to do if we were just adding new rules to the existing firewall.
$fwService.DefaultAction = "drop"
$fwService.LogDefaultAction = $false
$fwService.IsEnabled = $true
Is there a way to use a PowerShell command such as add-member rather than new-object?
param (
[parameter(Mandatory = $true, HelpMessage="vCD Server")][alias("-server","s")][ValidateNotNullOrEmpty()][string[]]$CIServer,
[parameter(Mandatory = $true, HelpMessage="Org")][alias("-vOrg","o")][ValidateNotNullOrEmpty()][string[]]$orgName,
[parameter(Mandatory = $true, HelpMessage="OrgNet")][alias("-orgNet","n")][ValidateNotNullOrEmpty()][string[]]$orgNet,
[parameter(Mandatory = $true, HelpMessage="CSV Path")][alias("-file","f")][ValidateNotNullOrEmpty()][string[]]$csvFile
# Add in the VI Toolkit
if ( (Get-PSSnapin -Name VMware.VimAutomation.Core -ErrorAction SilentlyContinue) -eq $null ) {
Add-PSsnapin VMware.VimAutomation.Core
if ( (Get-PSSnapin -Name VMware.VimAutomation.Cloud -ErrorAction SilentlyContinue) -eq $null ) {
Add-PSsnapin VMware.VimAutomation.Cloud
try {
Connect-CIServer -Server $CIServer 2>&1 | out-null
} catch {
Exit
#Search EdgeGW
try {
$myOrgNet = Get-Org -Name $orgName | Get-OrgNetwork -Name $orgNet
$edgeHREF = $myOrgNet.ExtensionData.EdgeGateway.Href
$edgeView = Search-Cloud -QueryType EdgeGateway -ErrorAction Stop | Get-CIView | where {$_.href -eq $edgeHREF}
} catch {
[System.Windows.Forms.MessageBox]::Show("Exception: " + $_.Exception.Message + " - Failed item:" + $_.Exception.ItemName ,"Error.",0,[System.Windows.Forms.MessageBoxIcon]::Exclamation)
Exit
#Item to Configure Services
$edgeView.Configuration.EdgeGatewayServiceConfiguration
$fwService = New-Object vmware.vimautomation.cloud.views.firewallservice
$fwService.DefaultAction = "drop"
$fwService.LogDefaultAction = $false
$fwService.IsEnabled = $true
$fwService.FirewallRule = @()
Ipcsv -path $csvFile |
foreach-object
$fwService.FirewallRule += New-Object vmware.vimautomation.cloud.views.firewallrule
$rowNum = $_.Num -as [int]
$fwService.FirewallRule[$rowNum].description = $_.Descr
$fwService.FirewallRule[$rowNum].protocols = New-Object vmware.vimautomation.cloud.views.firewallRuleTypeProtocols
switch ($_.Proto)
"tcp" { $fwService.FirewallRule[$rowNum].protocols.tcp = $true }
"udp" { $fwService.FirewallRule[$rowNum].protocols.udp = $true }
"any" { $fwService.FirewallRule[$rowNum].protocols.any = $true }
default { $fwService.FirewallRule[$rowNum].protocols.any = $true }
$fwService.FirewallRule[$rowNum].sourceip = $_.SrcIP
if ($_.SrcPort -eq "any" ) { $srcPort = "-1" } else { $srcPort = $_.SrcPort }
$fwService.FirewallRule[$rowNum].sourceport = $srcPort
$fwService.FirewallRule[$rowNum].destinationip = $_.DstIP
$fwService.FirewallRule[$rowNum].destinationportrange = $_.DstPortRange
$fwService.FirewallRule[$rowNum].policy = $_.Policy
#$fwService.FirewallRule[$rowNum].direction = $_.Direction
#$fwService.FirewallRule[$rowNum].MatchOnTranslate = [System.Convert]::ToBoolean($_.MatchOnTranslate)
$fwService.FirewallRule[$rowNum].isenabled = [System.Convert]::ToBoolean($_.isEnabled)
$fwService.FirewallRule[$rowNum].enablelogging = [System.Convert]::ToBoolean($_.EnableLogging)
#configure Edge
$edgeView.ConfigureServices($fwService)
Thanks,
Scott.

Hi,
Agree with Ed, you can publish CAS array VIP to internet, and use it to configure Federated Delegation.
Thanks.
Niko Cheng
TechNet Community Support

SA 540 INBOUND FIREWALL RULES NOT WORKING

Hi all,
I am having trouble configuring the firewall for the SA 540.
client 1 (160.222.46.154) ----- switch ------ sa 540 ------ cisco 887 W ------ client 2 (50.0.0.10).
client 1 can ping client 2, however client 2 cannot ping client 1. The default outbound policy (allow all) is set on the sa 540, and I have tried configuring a blanket ipv4 rule on the sa 540 to allow 'all' to 'any' (for all services) related to traffic from the WAN to LAN, and visa versa. The output from the logs are as follows:
Fri Jan 7 13:43:04 2000(GMT +1000) WARN FIREWALL 50.0.0.10 160.222.46.154 [firewall] LOG_PACKET[DROP] IN=WAN OUT=WAN SRC=50.0.0.10 DST=160.222.46.154 PROTO=ICMP TYPE=8 CODE=0
Component: KERNEL
Fri Jan 7 13:43:09 2000(GMT +1000) WARN FIREWALL 50.0.0.10 160.222.46.154 [firewall] LOG_PACKET[DROP] IN=WAN OUT=WAN SRC=50.0.0.10 DST=160.222.46.154 PROTO=ICMP TYPE=8 CODE=0
Component: KERNEL
Fri Jan 7 13:43:14 2000(GMT +1000) WARN FIREWALL 50.0.0.10 160.222.46.154 [firewall] LOG_PACKET[DROP] IN=WAN OUT=WAN SRC=50.0.0.10 DST=160.222.46.154 PROTO=UDP SPT=60737 DPT=53
Component: KERNEL
Basically any connection identified as coming in from the WAN (i.e. IN=WAN) is dropped. I set up a new vlan on the cisco 887 W, in the 160.222.46.x address space, and connected a spare port directly to the sa 540 and had no problem testing connectivity to any device via ping. Obviously the zone communication is LAN to LAN and firewall treats the traffice differently.
I assumed that creating an all encompassing rule to allow all trafiic, for all services, between the LAN and WAN (in both directions) would be equivalent to placing the appliance in PASS THROUGH mode? There is no securtiy set on the 887 W or the switch.
Also is anybody could explain what 'SELF' means in the conttext IN=SELF or OUT=SELF it would be much appreciated. Firmware is latest.
Thank you.
Regards
Marc

On closer analysis and with some help from Experts Exchange it did seem non sensical to have both the IN and OUT as the WAN interface, but I had literally exhausted every avenue possible bar 1- changing the routing mode to CLASSIC and configuring a static route (which was at a higher administrative level than my RIP advertised routes) and took preferece when forwarding the packets.
Now the SA540 firewall rules work as I would expect and I can route between all zones. To summise it appears as if the Double NAT from the router (887W) and then the SA540 was the issue, and the innability to configure any workaround in the interface of the SA54O firewall rules.
It really makes you appreciate the power of the command line and the full scope of CIsco's command line options. Does anybody know if (and how) it would be possible to configure Double NAT on the SA540?
Regards
Marc

[Solved] Windows Firewall rule that allows Windows Update

Can anyone kindly give me a Windows Firewall rule that allows Windows Update? Assume I'm running MMC's "Windows Firewall with Advanced Security" snap-in as Administrator. Note that a "solution" that takes down the outbound firewall is
not acceptable.
Thank You.
===== Solution =====
Suppose that, as the default, you've set the outbound firewall to block (see
To close the outbound firewall, below). In order for Windows Update to check whether an update is available and then to download the update files, you first need an outbound firewall
allow-rule that allows the Windows Update service to pass through the outbound firewall.
Prerequisite: Knowledge of the Microsoft Management Console (MMC) and its "Windows Firewall with Advanced Security" plug-in.
What you will do: You will use the "Windows Firewall with Advanced Security" MMC plug-in to create an outbound firewall rule that
allows '%SystemRoot%\System32\svchost.exe' (the generic service driver) to pass through the outbound firewall on behalf of 'wuauserv' (the name of the specific service that performs the update).
Warning: If you don't know what I'm writing about, get help.
Name: Allow Windows Update (...or any name you prefer - it doesn't matter)
Group:
Profile: Public
Enabled: Yes
Action: Allow
Program: %SystemRoot%\System32\svchost.exe
Local Address: Any
Remote Address: Any
Protocol: Any
Local Port: Any
Remote Port: Any
Allowed Computers: Any
Status: OK
Service: wuauserv
Rule Source: Local Setting
Interface Type: All interface types
Excepted Computers: None
Description:
To open the outbound firewall:
More accurate wording would be
Outbound connections are allowed unless explicitly blocked by a rule.
If you look at the standard rules you will find no block-rules. That means that nothing is blocked, everything is allowed, and the outbound firewall is wide open.
To close the outbound firewall:
More accurate wording would be
Outbound connections are blocked unless explicitly allowed by a rule.
If you look at the standard rules you will find only allow-rules that have been crafted to allow the vital Windows connections to pass through the outbound firewall. To an informed observer it's obvious that the firewall engineers crafted these
allow-rules so that users who closed the outbound firewall wouldn't have to write them. But the firewall engineers left out Windows Update.

Hi mark,
Thanks for sharing, it will help other users who have similar issue.
Regards

Where is the firewall rules file??

I had to tweak a bunch of firewall rules following this latest Apple security update (it broke my mail services). In the log (G5 Xserve running 10.4.11), it now says
"mail servermgrd_ipfilter:ipfw config:Error:Failure code returned by ipfw command: 64, message: Line 22: recv,xmit via require interface name or address"
but I only have 19 rules in my "Active rules". Where would this bad "line 22" be located?
Mike

I'm not sure about 1.5, but normally there isn't one. The defaults are just used unless there is one.
Look here
http://java.sun.com/j2se/1.5.0/docs/api/javax/swing/UIManager.html

RV042 portforwarding overrule firewall rule?

We have a setup where our e-mail server is hosted in-house.
Our network is connected through a RV042 gateway.
Port 25 is forwarded to our internal e-mail server.
Our smtp service should be limited to receiving incomming connections only from 4 specific ip ranges which I set up in the firewall rules.
The reason is that all smtp is managed and protected by an external anti-spam/vires provider.
However it looks like any computer is able to connect to our port 25 and be forwarded to our e-mail server.
Does portforwarding overrule firewall rules - ie. you can not limit access with the firewall if you decide to port forward?
Is this a "fixable" situation - or is the RV042 not built for handling this setup?

The above link did not really help.
The default rules seems not to be honored when adding portforwarding.
We have from IP ranges (from our SMTP anti-spam/anti-virus provider) that should be allowed to access our SMTP server.
What I did (that did not work) was :
1. Added port forwarding on WAN1 port 25 to LAN SMTP server port 25
2. Added 4 rules to allow for the 4 IP ranges to accept connection
3. Tested from the 4 ip ranges if connection was accepted and mail delivery was possible - checked OK
4. Tested from outside the 4 ip ranges if connection was accepted and mail delivery was possible... IT WAS POSSIBLE TO CONNECT
The fix was to add a rule after the 4 smtp accept rules to deny all access to port 25.
What this indicates to me is that the default deny rule that deny all traffic on WAN1 was not honored on port forwarding.

[Solved] Windows Firewall rule that will allow Windows Update

The problem has been solved here:
https://social.technet.microsoft.com/Forums/en-US/62b9fd5c-10b2-4266-bc15-fcf3e79d20d4/solved-windows-firewall-rule-that-allows-windows-update?forum=w7itpronetworking
Everything from here down is obsolete.

Go to Control Panel >Firewall>Advanced Settings. Then click
Action>Export policy to make a copy of your current policy in case you want to restore it. Then click
Action>Restore Default Policy.
This should allow you to use Windows Update.
See also:
https://technet.microsoft.com/en-in/library/bb693717.aspx
https://support.microsoft.com/kb/836941
S.Sengupta, Windows Entertainment and Connected Home MVP

SA520W - IPv4 Firewall Rule not visible

Hello,
We have a cisco SA520W Security Appliance Model with several IPv4 firewall rules configured and we would like to remove one of the rules.
The fact is as that this rule is not visible from the Security Appliance Configuration Utility, although it can be seen on the configuration backup file, it cannot be deleted…
Any idea how to delete this rule avoiding to revert to factory default setting will be appreciated.
Best regards,
Nicolas MASSOT

Is it one of the built in default rules or is it a rule that was created then deleted from the GUI? Can you paste the section of the config file with the ACL?
Cisco Small Business Support Center
Randy Manthey
CCNA, CCNA - Security

VLAN to VLAN firewall rules support missing on RV180

How do I submit an RFE (Request For Enhancement) to the Cisco SBR team to encourage them to implement the missing support for VLAN to VLAN firewall rules that was available in the RVS4000 (See https://supportforums.cisco.com/message/3614106#3614106) and that was supposedly added to a beta release of the RV220W firmware (See https://supportforums.cisco.com/message/3614106#3614106)?

Hi Kelly, the RV220W does support LAN to LAN access rules on the 1.0.4.17 and it is released.
To make a feature request, it is pretty simple. Call the SBSC, have a case created for you. Tell the engineer you'd like to make a feature request. It usually gets escalated in 3 days or less.
-Tom
Please mark answered for helpful posts

SA520 Firewall Rule cannot block HTTP

Hi All,
We are currently encountering a firewall rule problem. The following are the steps we
have done so far:
Default Outbound Policy: Allow Always
IPV4 Rules - Delete all firewall rules we have created and made a single firewall rule to block
                            outbound HTTP for a single IP Address
                 - Delete all firewall rules we have created and made a single firewall rule to block
                            outbound HTTP for a range of IP Address
                 - Tried making "Block by schedule" Action on port HTTP on a single and a
                             range of IP Addresses
                 - We have tried blocking HTTPS / POP3 / SMTP / IMAP and was successfully
                             blocked but not on HTTP
Services - Created a Custom Service blocking Port 1-65535 but still workstation can still access the internet.
MAC Filtering - Checked MAC address filtering and Policy for MAC Addresses listed below is set to
                              Block and Permit the Rest and added the MAC address of the workstation we want to block
                              still the workstation can access the internet.
IP/MAC Binding - We have also binded the MAC Address and IP Address
Content Filtering - Only content filtering works - blocked URL
We have also tried doing all the IPV4 Rules with the Default Outbound Policy: Block Always and all
the firewall rules action set to allow only those services that needs to be permitted.
Still blocked workstations can still access the internet.
Firmware Version: 1.1.42
Thanks
Karl

Hi Karl,
This looks like a bug in build 1.1.42. Please upgrade your
image to the latest build 2.1.18 which fixes the problem.
Let me know if the upgrade helps.
Regards,
Wei

Modifying Firewall Rules On a Unbooted System

If my subject wasn't clear, here is what I'm asking.
I want to know how I can "clear out", meaning restore to factory defaults, the firewall settings on an OS X Server installation. But not on the boot drive. My server has two drives. And as a last resort, I'd like to know how I can, while booted off it's backup drive, access the main boot drive and revert the firewall rules. That way I can boot off the main drive again, and have full access to the machine, where I can then go in and set it up again.
So I guess I need to know where on the filesystem these rules are stored. And if there is anything I have to do to flush old rules out. Again let me reiterate, I'm not talking about on a running OS X System, I'm talking about doing this to a secondary drive that isn't the boot drive.
Hopefully I won't need this information but just in case, best to have it on hand.
Thanks

If I understand you correctly...
On Leopard, it seems the firewall is started based on the presence of this file:
/etc/ipfilter/ipfwstate-on
If you remove it, the firewall should not be enabled allowing you to login and change the settings.

How to reload firewall rules from command line on firewall ?

Hi all,
I am trying to create script that controls firewall on server. OS version is OS X Server 10.5.6.
Part of firewall rules is created using firewall admin tools, part of Server Admin Tools. My first question is where are those rules stored permanently ? As far as I understood it should be set of ipfw rules but they are not stored in /etc/ipfilter/ipfw.conf.
Idea of script is this:
I have set of rules that should be controlled by Server Admin Tools.
Also, I have some dynamic rules.
Whenever some change occurs, I created script that does following:
/sbin/ipfw -f flush - to flush all existing rules
/sbin/serveradmin stop ipfilter - to stop existing firewall
/sbin/serveradmin start ipfilter - to restart firewall and reload permanent rules
Add my set of rules...
After flushing all rules and issuing stop and start ipfilter none of rules set through Server Admin Tools are not reloaded. So how should I reload them ? How to save them permanently in the first place ?
Please note that I do not have access to server (for security reasons). I am developing script on my Mac, sending to client and he tests it. So I cannot do a lot of testing.
Thank you in advance.
Best regards,
Dusan

Unix and Terminal queries are best posted to the Unix forum under OS X Technologies where those mavens frolic.

0x8007000e (E_OUTOFMEMORY) while adding a firewall rule using the windows firewall COM API

Hello,
Configuration: Windows Embedded 8 64-bit.
I'm using the Windows Firewall with Advanced Security COM API. The program uses the INetFwRules interface. Basically, I'm using the following code (Form the code sample available here : http://msdn.microsoft.com/en-us/library/windows/desktop/dd339604%28v=vs.85%29.aspx.)
I get the error when performing "hr = pFwRules->Add(pFwRule);".
We can also encounter the problem when removing a rule (using pFwRules->Remove(ruleName);)
HRESULT hrComInit = S_OK;
HRESULT hr = S_OK;
INetFwPolicy2 *pNetFwPolicy2 = NULL;
INetFwRules *pFwRules = NULL;
INetFwRule *pFwRule = NULL;
long CurrentProfilesBitMask = 0;
BSTR bstrRuleName = SysAllocString(L"SERVICE_RULE");
BSTR bstrRuleDescription = SysAllocString(L"Allow incoming network traffic to myservice");
BSTR bstrRuleGroup = SysAllocString(L"Sample Rule Group");
BSTR bstrRuleApplication = SysAllocString(L"%systemroot%\\system32\\myservice.exe");
BSTR bstrRuleService = SysAllocString(L"myservicename");
BSTR bstrRuleLPorts = SysAllocString(L"135");
// Initialize COM.
hrComInit = CoInitializeEx(
0,
COINIT_APARTMENTTHREADED
// Ignore RPC_E_CHANGED_MODE; this just means that COM has already been
// initialized with a different mode. Since we don't care what the mode is,
// we'll just use the existing mode.
if (hrComInit != RPC_E_CHANGED_MODE)
if (FAILED(hrComInit))
printf("CoInitializeEx failed: 0x%08lx\n", hrComInit);
goto Cleanup;
// Retrieve INetFwPolicy2
hr = WFCOMInitialize(&pNetFwPolicy2);
if (FAILED(hr))
goto Cleanup;
// Retrieve INetFwRules
hr = pNetFwPolicy2->get_Rules(&pFwRules);
if (FAILED(hr))
printf("get_Rules failed: 0x%08lx\n", hr);
goto Cleanup;
// Create a new Firewall Rule object.
hr = CoCreateInstance(
__uuidof(NetFwRule),
NULL,
CLSCTX_INPROC_SERVER,
__uuidof(INetFwRule),
(void**)&pFwRule);
if (FAILED(hr))
printf("CoCreateInstance for Firewall Rule failed: 0x%08lx\n", hr);
goto Cleanup;
// Populate the Firewall Rule object
pFwRule->put_Name(bstrRuleName);
pFwRule->put_Description(bstrRuleDescription);
pFwRule->put_ApplicationName(bstrRuleApplication);
pFwRule->put_ServiceName(bstrRuleService);
pFwRule->put_Protocol(NET_FW_IP_PROTOCOL_TCP);
pFwRule->put_LocalPorts(bstrRuleLPorts);
pFwRule->put_Grouping(bstrRuleGroup);
pFwRule->put_Profiles(CurrentProfilesBitMask);
pFwRule->put_Action(NET_FW_ACTION_ALLOW);
pFwRule->put_Enabled(VARIANT_TRUE);
// Add the Firewall Rule
hr = pFwRules->Add(pFwRule);
if (FAILED(hr))
printf("Firewall Rule Add failed: 0x%08lx\n", hr);
goto Cleanup;
This works pretty well but, sometimes, at system startup, adding a rule ends up with the error 0x8007000e (E_OUTOFMEMORY) ! At startup, the system is always loaded cause several applications starts at the same time. But nothing abnormal. This is quite a random
issue.
According MSDN documentation, this error indicates that the system "failed to allocate the necessary memory".
I'm not convinced that we ran out of memory.
Has someone experienced such an issue? How to avoid this?
Thank you in advance.
Regards, -Ruben-

Does Windows 8 desktop have the same issue? Are you building a custom WE8S image, or are you using a full WE8S image? The reason I ask is to make sure you have the modules in the image to support the operation.
Is Windows Embedded 8.1 industry an option?
www.annabooks.com / www.seanliming.com / Book Author - Pro Guide to WE8S, Pro Guide to WES 7, Pro Guide to POS for .NET

Can't add a new Firewall Rule

I have a very curious issue: I cannot add any new firewall rules at all! Clicking on the New Button does nothing and on the console I get
System Preferences[487] * -[NSCFString objectForKey:]: selector not recognized [self = 0x3f11b0]
I have flushed the firewall with ipfw, deleted the plist file, repaired permissions but the problem ist still there. Any suggestions? (apart from reinstallation)
Adding Firewall Rules through ipfw works...

Whenever I use ipfw I lose the ability to use System Preferences. At first I thought that it compared kernel memory with the plist file and if it found a difference, assumed another firewall was running and disabled itself. But I also deleted the plist file (assuming it would build one from kmem) but that didn't work. Right now I assume there's another file somewhere. It wouldn't make any sense to keep another table in kmem. The weird part is that rules can be the same, but different sequence numbers will cause this problem. There weren't sequence numbers in the plist file, so there's probably another file somewhere.
I think your error is from the missing plist file. A reboot should clear it up.

RVS4000 Default Firewall Rule

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