WLC ACL Problem
Hi all,
I'm having problems when trying to apply an ACL to my WLC dynamic interfaces. I have three WLANs that I wish to keep separated and am using ACLs that I have configured on the controller, the only problem is they don't seem to work!
Ping test from 10.201.32.11 on WLAN1 to 10.201.27.41 on WLAN2 works and the current ACL is below:
1 Out 10.201.32.0/255.255.252.0 10.201.24.0/255.255.252.0 Any 0-65535 0-65535 Any Deny 0
2 In 10.201.24.0/255.255.252.0 10.201.32.0/255.255.252.0 Any 0-65535 0-65535 Any Deny 0
3 Out 10.201.32.0/255.255.252.0 10.201.28.0/255.255.255.0 Any 0-65535 0-65535 Any Deny 0
4 In 10.201.28.0/255.255.255.0 10.201.32.0/255.255.252.0 Any 0-65535 0-65535 Any Deny 0
5 Out 10.201.32.0/255.255.252.0 192.168.200.0/255.255.255.224 Any 0-65535 0-65535 Any Deny 0
6 In 192.168.200.0/255.255.255.224 10.201.32.0/255.255.252.0 Any 0-65535 0-65535 Any Deny 0
7 Any 0.0.0.0/0.0.0.0 0.0.0.0/0.0.0.0 Any 0-65535 0-65535 Any Permit 69
DenyCounter : 0
Each WLAN is sat on its own separate dynamic interface and own unique subnet.
Any suggestions would be most appreciated.
Thanks.
Hi,
Keep in mind the direction of the ACL.
In means from client destined to WLC
Out means from WLC destined to client.
It should look like this:
Index Dir IP Address/Netmask IP Address/Netmask Prot Range Range DSCP Action Counter
1 In 10.201.32.0/255.255.252.0 10.201.24.0/255.255.252.0 Any 0-65535 0-65535 Any Deny 0
2 Out 10.201.24.0/255.255.252.0 10.201.32.0/255.255.252.0 Any 0-65535 0-65535 Any Deny 0
Don't forget to apply the ACL on interface or on WLAN.
Regards,
Christos.
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post.
Thanks.
minjiangThanks a lot!
The problem is that i cached the ejb homes and connection pool. So now i use
your first solution, create context everytime, although the performance may be
slow down.
But strange, it works in 5.1 sp6-8.
Thanks again, Dimitri!
minjiang
Dimitri Rakitine wrote:
The security context is associated with thread so, for example:
in a servlet, you create InitialContext as "user" and save it.
Next request which will be "guest" anyway.
So, if you want authentication, you can either
- create InitialContext everytime
- use j2ee security so container will do this automatically:
http://e-docs.bea.com/wls/docs61/webapp/security.html
Dimitri
On Fri, 13 Jul 2001, minjiang wrote:
Hi Dimitri:
Sorry to mail you directly.
I have this question for quite some time. And not receive any
response for my posting, cross posting.
Do you have any idea why my deployment works on 5.1 sp8, but not on
sp9 and 6 sp2?
I noticed bea changed the weblogic.ejb.interal.StatefulEJBObejct,
and StatefulEJBCache in sp9, and this is part of why my application
cannot work. (for one facade session bean looking up other beans in
another acl)
Another part is i described in the forward posting, for my "guest"
jsp/servelt cannot access other acl?
For my understanding, since my facade bean and jsp/servlet only run
inside the WLS server, so as long as the correct credential is supplied
while constructing the jndi context, they should be allowed, right? It
shoud not be only one credential in one thread, which seems WLS is doing
now.
Thanks for help, and any hint or document is appreciated.
minjiang -
WLC ACL For Internet Access Only
I've implemented Cicso ISE 3495's with the advanced subscription license. I've built my policy sets, and authorization profiles. It all works great! Here's the issue that I'm having. I have internal employees who bring in their own devices (BYOD). I want to allow them onto the secured SSID that I've created, but only want to give them access to the intra/internet. I've created an ACL (EmpInternetOnly) on the WLC. Here are my rules:
I can get to the intranet, with no issue (ACL lines 1-4). I can't get to the internet whatsoever. I see everything falling down to the deny statement. When I remove the deny statement (ACL line 14), and put a permit all, then the internet works with no issue. Am I missing something here? I've researched this topic on several message boards, but can't find an answer. I've tried to run the acl debug, on the controller, but do not see any output when I run it. It might be because I don't understand the proper format of how to set it up. Any and all replies would be much appreciated! Thanks!
Steve -
WLC 5508 Problem with #DOT1X-3-INVALID_REPLAY_CTR
Hi all,
I have WLC 5508 with version 7.4.110.0 and with 13 AccessPoints.So 12 of this AP are AIR-LAP1142N-E-K9 and 1 is AIR-CAP3602I-E-K9.
Logs of my WLC are:
*Dot1x_NW_MsgTask_1: Jan 11 01:15:05.167: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 90:c1:15:c6:c3:49 - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 02
*Dot1x_NW_MsgTask_4: Jan 11 01:09:41.015: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 5c:0a:5b:c1:16:34 - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 02
*Dot1x_NW_MsgTask_3: Jan 11 01:03:32.269: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 40:b3:95:13:da:cb - got 00 00 00 00 00 00 00 03, expected 00 00 00 00 00 00 00 04
*Dot1x_NW_MsgTask_3: Jan 11 01:03:32.266: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 40:b3:95:13:da:cb - got 00 00 00 00 00 00 00 02, expected 00 00 00 00 00 00 00 04
*Dot1x_NW_MsgTask_0: Jan 11 01:03:31.648: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 24:77:03:67:01:48 - got 00 00 00 00 00 00 00 02, expected 00 00 00 00 00 00 00 03
*Dot1x_NW_MsgTask_5: Jan 11 01:03:31.638: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 14:10:9f:da:c1:cd - got 00 00 00 00 00 00 00 02, expected 00 00 00 00 00 00 00 03
*Dot1x_NW_MsgTask_2: Jan 11 01:03:31.638: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client cc:78:5f:29:cc:82 - got 00 00 00 00 00 00 00 02, expected 00 00 00 00 00 00 00 03
*Dot1x_NW_MsgTask_4: Jan 11 01:03:31.633: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 08:11:96:55:81:c4 - got 00 00 00 00 00 00 00 02, expected 00 00 00 00 00 00 00 03
*Dot1x_NW_MsgTask_0: Jan 11 01:03:31.631: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 84:3a:4b:56:36:50 - got 00 00 00 00 00 00 00 02, expected 00 00 00 00 00 00 00 03
*Dot1x_NW_MsgTask_1: Jan 11 01:03:31.630: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 14:10:9f:e2:d4:91 - got 00 00 00 00 00 00 00 02, expected 00 00 00 00 00 00 00 03
*Dot1x_NW_MsgTask_0: Jan 11 00:59:52.593: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client a0:88:b4:60:20:f8 - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 02
*apfRogueTask_3: Jan 11 00:59:32.168: #APF-1-UNABLE_TO_CONTAIN_ROGUE: apf_rogue.c:4414 Unable to contain rogue 40:01:C6:11:F9:F1 - Not enough Container AP(s). Number of Container AP(s) 2, Requested containment level 4
*apfRogueTask_3: Jan 11 00:58:38.635: #APF-1-UNABLE_TO_CONTAIN_ROGUE: apf_rogue.c:4414 Unable to contain rogue 40:01:C6:11:F9:F1 - Not enough Container AP(s). Number of Container AP(s) 1, Requested containment level 4
*Dot1x_NW_MsgTask_0: Jan 11 00:50:06.885: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 10:68:3f:46:4e:e8 - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 02
*Dot1x_NW_MsgTask_0: Jan 11 00:50:06.883: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 10:68:3f:46:4e:e8 - got 00 00 00 00 00 00 00 00, expected 00 00 00 00 00 00 00 02
*dot1xMsgTask: Jan 11 00:49:05.842: #DOT1X-3-PSK_CONFIG_ERR: 1x_ptsm.c:618 Client c8:e0:eb:19:2a:97 may be using an incorrect PSK
*apfRogueTask_3: Jan 11 00:40:42.576: #APF-1-UNABLE_TO_CONTAIN_ROGUE: apf_rogue.c:4414 Unable to contain rogue 40:01:C6:11:F9:F1 - Not enough Container AP(s). Number of Container AP(s) 3, Requested containment level 4
*Dot1x_NW_MsgTask_3: Jan 11 00:40:17.471: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client c4:43:8f:f1:8c:8b - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 02
*Dot1x_NW_MsgTask_4: Jan 11 00:40:03.368: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client f0:d1:a9:8e:1a:dc - got 00 00 00 00 00 00 00 02, expected 00 00 00 00 00 00 00 03
*Dot1x_NW_MsgTask_1: Jan 11 00:39:30.528: #DOT1X-3-INVALID_REPLAY_CTR: 1x_eapkey.c:360 Invalid replay counter from client 14:10:9f:d8:84:09 - got 00 00 00 00 00 00 00 01, expected 00 00 00 00 00 00 00 02
I already go to this link to check the Description of errors-
http://www.cisco.com/en/US/docs/wireless/controller/message/guide/msgs4.html#wp1000139
Appreciate all feedback. Thank you.Hi Ruben,
a) After successful dot1x authentication, session keys are derived from pairwise master key.
b) When the AP transmits a key to a station by default, it expects a response back within a set timeframe.
c) If the station does not respond, the AP increments the counter and retransmits the key.
d) If the AP receives a response to first message just after the retransmission of the key, a mismatch occurs in the counter.
This in most of the cases will be a client driver problem.
Solution :
1) try to increase the EAPOL-Key Timeout ( config advanced eap ).
2) Upgrade the client driver.
*****Help out other by using the rating system and marking answered questions as "Answered"***** -
Hello,
I have problem with new one WLC 2106 controller. I make this basic configuration (after reset):
(Cisco Controller) >show interface summary
Interface Name Port Vlan Id IP Address Type Ap Mgr Guest
ap-manager 1 10 10.10.10.21 Static Yes No
management 1 10 10.10.10.20 Static No No
virtual N/A N/A 1.1.1.1 Static No No
At this point, everything works OK. Controller is accesible via HTTPS, AP (one 1130) is connected too. But next I need create new WLAN and another interface VLAN - named ak-lan
config interface create ak-lan
config interface port ak-lan 1
HTTPS acces is still working, but when I configure IP adress:
config interface address dynamic-interface ak-lan 10.10.11.10 255.255.255.0 10.10.11.1
HTTPS acces stops. In fact, it seem like HTTPS starts on new interface - it's accesible via 10.10.11.10, but (after certificate warning) shows only empty page (Page is not accesible..)
I dont have an idea why. I tray downgrade software (originaly comes with 7.0.98.0) to 6.0.196.0, whitch I use on another same controller, but the behavior is the same. Now I use software 6.0.199.4. Again the same behavior.
"show interface summary" says:
(Cisco Controller) >show interface summary
Interface Name Port Vlan Id IP Address Type Ap Mgr Guest
ak-lan 1 11 10.10.11.10 Dynamic No No
ap-manager 1 10 10.10.10.21 Static Yes No
management 1 10 10.10.10.20 Static No No
virtual N/A N/A 1.1.1.1 Static No No
(Cisco Controller) >
All interfaces (excluding virtual) matched to ping. All ïnterfaces have netmask 255.255.255.0.
There was another strange thing - "show sysinfo" says that I use sw 6.0.199.4 and emergency is 7.0.98.0, but "show boot" says:
(Cisco Controller) >show boot
Primary Boot Image............................... 6.0.199.4 (active)
Backup Boot Image................................ 6.0.196.0
(Cisco Controller) >
(Cisco Controller) >show sysinfo
Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 6.0.199.4
RTOS Version..................................... 6.0.199.4
Bootloader Version............................... 4.0.191.0
Emergency Image Version.......................... 7.0.98.0
Build Type....................................... DATA + WPS
System Name...................................... ak-wlc
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.828
IP Address....................................... 10.10.10.20
System Up Time................................... 0 days 0 hrs 46 mins 35 secs
System Timezone Location.........................
Configured Country............................... DE - Germany
Operating Environment............................ Commercial (0 to 40 C)
Internal Temp Alarm Limits....................... 0 to 65 C
Internal Temperature............................. +55 C
State of 802.11b Network......................... Enabled
State of 802.11a Network......................... Enabled
Number of WLANs.................................. 0
3rd Party Access Point Support................... Disabled
Number of Active Clients......................... 0
Burned-in MAC Address............................ E0:5F:B9:63:7B:00Switch is C2960, port Gi0/2:
Gi0/2 T wlc connected trunk a-full a-100 10/100/1000BaseTX
interface GigabitEthernet0/2
description T wlc
switchport trunk allowed vlan 10,11,100
switchport mode trunk
end
VLANs are set properly. Router is ASA 5510, and routing is fine. Morever, interfaces on WLC is accesible via ping (I dot't try telnet or ssh). -
GUest WLAN with Anchor WLC - roaming problems
Hello,
my wireless network consists in 3 WLC 4402 which manage 40 APs.
I have a fourth WLC which I installed on my DMZ for guest vlan anchoring and web autentication.
Everiting works fine but I have a problem:
If my client associates with an AP and then I authenticate I'm ready to make traffic. As soon as my client roams to an AP managed by a differnt WLC I need to authenticate again. If I roam back to the first AP i need to reauthenticate.
In my guest WLAN I use WEB authentication provided by the internal web server of the Anchor WLC.
Thnks everybodyHere are the output of show mobility summary.
The last WLC is the anchor.
WLC1
Symmetric Mobility Tunneling (current) .......... Disabled
Symmetric Mobility Tunneling (after reboot) ..... Disabled
Mobility Protocol Port........................... 16666
Mobility Security Mode........................... Disabled
Default Mobility Domain.......................... mob1
Multicast Mode .................................. Disabled
Mobility Domain ID for 802.11r................... 0x392f
Mobility Keepalive Interval...................... 10
Mobility Keepalive Count......................... 3
Mobility Group Members Configured................ 2
Mobility Control Message DSCP Value.............. 0
Controllers configured in the Mobility Group
MAC Address IP Address Group Name Multicast IP Sta
tus
00:23:04:7d:3e:e0 10.25.1.21 mob1 0.0.0.0 Up
00:23:04:7d:73:20 10.20.1.21 mob1 0.0.0.0 Up
WLC2
Symmetric Mobility Tunneling (current) .......... Disabled
Symmetric Mobility Tunneling (after reboot) ..... Disabled
Mobility Protocol Port........................... 16666
Mobility Security Mode........................... Disabled
Default Mobility Domain.......................... mob1
Multicast Mode .................................. Disabled
Mobility Domain ID for 802.11r................... 0x392f
Mobility Keepalive Interval...................... 10
Mobility Keepalive Count......................... 3
Mobility Group Members Configured................ 2
Mobility Control Message DSCP Value.............. 0
Controllers configured in the Mobility Group
MAC Address IP Address Group Name Multicast IP Sta
tus
00:23:04:7d:3e:e0 10.25.1.21 mob1 0.0.0.0 Up
00:23:04:7d:62:a0 10.20.1.22 mob1 0.0.0.0 Up
WLC3
Symmetric Mobility Tunneling (current) .......... Disabled
Symmetric Mobility Tunneling (after reboot) ..... Disabled
Mobility Protocol Port........................... 16666
Mobility Security Mode........................... Disabled
Default Mobility Domain.......................... mob1
Multicast Mode .................................. Disabled
Mobility Domain ID for 802.11r................... 0x392f
Mobility Keepalive Interval...................... 10
Mobility Keepalive Count......................... 3
Mobility Group Members Configured................ 2
Mobility Control Message DSCP Value.............. 0
Controllers configured in the Mobility Group
MAC Address IP Address Group Name Multicast IP Sta
tus
00:23:04:7d:3e:e0 10.25.1.21 mob1 0.0.0.0 Up
00:23:04:7d:79:80 10.20.2.21 mob1 0.0.0.0 Up
WLCAnchor
(Cisco Controller) >show mobility summary
Symmetric Mobility Tunneling (current) .......... Disabled
Symmetric Mobility Tunneling (after reboot) ..... Disabled
Mobility Protocol Port........................... 16666
Mobility Security Mode........................... Disabled
Default Mobility Domain.......................... mob1
Multicast Mode .................................. Disabled
Mobility Domain ID for 802.11r................... 0x392f
Mobility Keepalive Interval...................... 10
Mobility Keepalive Count......................... 3
Mobility Group Members Configured................ 4
Mobility Control Message DSCP Value.............. 0
Controllers configured in the Mobility Group
MAC Address IP Address Group Name Multicast IP Sta
tus
00:23:04:7d:3e:e0 10.25.1.21 mob1 0.0.0.0 Up
00:23:04:7d:62:a0 10.20.1.22 mob1 0.0.0.0 Up
00:23:04:7d:73:20 10.20.1.21 mob1 0.0.0.0 Up
00:23:04:7d:79:80 10.20.2.21 mob1 0.0.0.0 Up -
How can you see what the WLC ACL is denying?
How can you see what the acl on our WLC5508 is denying? The counter keeps on going up but what is getting blocked is nowhere to be seen.
You are right but you can monitor that through the hits counts on the (WLC)Security->Access crontrol list === Hits
It will give you some idea for trouble shooting also you have the cmd line for details analysis. -
Leopard Server / Windows / ACL Problem
We have this problem that came up sense we upgraded our servers to Leopard. When Windows users are accessing files (over SMB), the POSIX permissions seem to override the ACLs. This is a problem because applications like Excel will change the permissions.
This worked perfectly in Tiger. The windows user would modify the POSIX permissions all they want, but it wouldn't matter because the ACLs were what mattered.
Does anyone know of a solution. This is a real problem.Since your issue is caused by OS X Server, you may want to post your question over in the OS X Server forums:
http://discussions.apple.com/category.jspa?categoryID=96 -
I have 4506 that is used in a lab environment. We utilize the 192.168.X.X split up into vlans
vlan 2 assgined ip address 192.168.0.1
vlan 3 assigned ip address 192.168.1.1
vlan 4 assigned ip address 192.168.2.1
vlan 5 assinged ip address 192.168.3.1
and so on.
here is the problem:
I need the people using 192.168.3.X on vlan 5 to only be able to access outside their vlan on PING (ICMP), DNS (udp 53), Proxy server on port 8080, LDAP (tcp 369), and SSL (tcp 443) this is to all vlans.
And only host 192.168.0.180 on vlan 2
and host 192.168.2.181 on vlan 4
to be able to access all ip's on the vlan 5
Every thing I have tried with extended acls has failed to allow this to happen.
Ken Taylorhere's a small excerpt of something similar i set up on a 6509 using reflexive acl's. (adjust ip's and ports to your liking)...
ip access-list extended vlan232_acl_inbound
evaluate intraffic232
permit tcp any host 192.168.232.20 eq www reflect outtraffic232
permit tcp any host 192.168.232.20 eq 443 reflect outtraffic232
permit tcp any host 192.168.232.20 eq ftp reflect outtraffic232
permit tcp any host 192.168.232.20 range 1024 5000 reflect outtraffic232
permit tcp any host 192.168.232.42 eq ftp reflect outtraffic232
permit tcp any host 192.168.232.42 range 1024 5000 reflect outtraffic232
permit ip host 192.168.51.5 192.168.232.0 0.0.0.255
permit ip 192.168.231.0 0.0.0.255 192.168.232.0 0.0.0.255
permit ip host 206.195.31.0 192.168.232.0 0.0.0.255
deny ip 192.168.0.0 0.0.255.255 192.168.232.0 0.0.0.255
ip access-list extended vlan232_acl_outbound
evaluate outtraffic232
permit ip 192.168.232.0 0.0.0.255 host 192.168.151.33 reflect intraffic232
permit ip 192.168.232.0 0.0.0.255 192.168.2.0 0.0.0.255 reflect intraffic232
permit ip 192.168.232.0 0.0.0.255 192.168.3.0 0.0.0.255 reflect intraffic232
permit ip 192.168.232.0 0.0.0.255 host 192.168.51.5
permit ip 192.168.232.0 0.0.0.255 192.168.231.0 0.0.0.255
deny ip 192.168.232.0 0.0.0.255 192.168.0.0 0.0.255.255
permit ip 192.168.232.0 0.0.0.255 any reflect intraffic232
interface Vlan232
ip access-group vlan232_acl_outbound in
ip access-group vlan232_acl_inbound out -
Strange ACL problem...
Using Server 10.5.2
Trying to create a custom ACL for a sharepoint where two different groups are allowed permissions for everything except for deleting files and folders. I have set these using File Sharing in Server Admin and ticking the boxes in custom ACL.
I have propagated the permissions through the files and folders in the sharepoint and checked in terminal that they have taken using ls -le.
However, when logging in, the user is able to create a new folder within the sharepoint but not able to change its name (permission denied). They can't delete also (so at least that works!).
If I give the user (group) full access or read and write access, everything is fine but obviously they can delete files...not so good.
The same problem occurs on another sharepoint and also using other users....
Any ideas??
Thanks,
Joel.i don't know if this still applies, but it should.
check this archived thread:
http://discussions.apple.com/thread.jspa?messageID=1535247 -
We have this problem that came up sense we upgraded our servers to Leopard. When Windows users are accessing files (over SMB), the POSIX permissions seem to override the ACLs. This is a problem because applications like Excel will change the permissions.
This worked perfectly in Tiger. The windows user would modify the POSIX permissions all they want, but it wouldn't matter because the ACLs were what mattered.
Does anyone know of a solution. This is a real problem.OK, here's a tip that may get the situation going for you all. This involves making an adjustment to your server's Samba configuration file, which should be done with the Windows SMB services stopped.
In /etc/smb.conf, add the following line under [global]:
*acl check permissions = no*
This mailing list archive notes the same problem: http://lists.apple.com/archives/macos-x-server/2008/Jan/msg00759.html, and it offered the above solution.
Here's a little more about why this alteration is required: Windows clients work a little differently when determining if a file or folder (an item) can be deleted or not. With simple POSIX permissions, you're allowed to delete an item as long as you have write access to the item's parent folder and as long as the POSIX special permission sticky (owner only delete) bit is not set. With ACLs, deletion can be granted explicitly on the item via the use of delete or it can be granted via implication so long as the item's parent has delete_child. In short, to deny deletion of an item, you must deny delete on the item itself and delete_child on its parent. Now it's starting to get a bit more complicated to determine if some item can or cannot be deleted.
Apparently Windows clients perform a "pre-scan" of a folder's contents ahead of time to determine if an item can or cannot be deleted. The logic behind this "pre-scan" works like this: 1. Assume that the item cannot be deleted. 2. If the pre-scan evaluates effective permissions correctly, and those permissions allow delete, flag the item as being delete-able.
Now when you go to delete the item, Windows just checks the result of its pre-scan. With Leopard, Windows boxes are having trouble evaluating effective permissions from the Darwin ACL model. (I don't know why.) Thus, the pre-scan returns "deletion denied" because that's the default assumption. Windows didn't even try to delete the file; rather, it simply doesn't think this is possible.
The use of *acl check permissions = no* disables this Windows "pre-scanning" behavior. Unfortunately, this can mean that an item that really cannot be deleted appears to be delete-able. In this case the item will "magically reappear" the next time the folder's contents are refreshed in Windows.
Hope this helps! This is my present understanding of the need.
--Gerrit
Message was edited by: Gerrit DeWitt
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