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Clients didn't switch to secondary DNS server during fail over

- by The Digital Ninja

I have two internal dns servers set up and all my servers have both of them in the resolv.conf Our main dns server went down and suddenly no server could see each other. I edited a few of the servers resolv.conf manually and committed out the first (down) dns server and that machine would instantly be able to ping again. What did I do wrong, does it not auto switch to the secondary dns server when it times out? # File managed by puppet nameserver 192.168.146.100 nameserver 192.168.159.101 ;nameserver 72.14.188.5 domain example.com search example.com

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How to make a pxe bootable 10MegaByte or larger dos image?

- by rjt

Would like to make a "massive" DOS floppy disk image, say 10MegaBytes or more containing all the firmware updates i need for any system, harddrive, BIOS. i do not need the DOS image to be networkable as everything will be on the PXE booted image, but networking would be nice. Since ZipDisks were attached to the floppy disk controller and were over 100MegaBytes, this should be possible. i tried a long time ago to do this and spent too much time on it only to have it fail to boot. So if someone has reliable instructions on how to create such a nightmarish beast and edit it, please let me know. One image that can used for PXE and copied to a USB stick would be a plus. Too bad manufacturers don't supply a single bootable Linux ISO containing all their firmware updates, that would be easy to boot over-the-lan and have networking. HP servers do this and it is awesome.

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Blocking password policy (expiry) for a particular OU in AD

- by Kip

Hey SF Folks, Situation is this: I need to have a particular container in my AD environment which blocks password expiry policy, but accepts all other policies. Is this something that would work by simply adding in a GPO at the sub-ou level (the ou in question is a child of ou's where GPO's including password stuff is set). These accounts (and this ou) already exist and will have the default domain policy as well as other policies applied and they should continue to receive policy settings as per those GPO's, with the exception of the Password Expiry. We have tried the password do not expire tickbox and that seems not to have worked. Thanks in advance. Kip

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Creating reverse DNS entries which resolve [closed]

- by Tiffany Walker

Possible Duplicate: Reverse DNS - how to correctly configure for SMTP delivery I ran a DNS check and ended up with the following error: FAIL: Found reverse DNS entries which don't resolves IP-IP-IP-IP.HOST.DOMAIN.TLD ? ??? All IP's reverse DNS entries should resolve back to IP address (MX record's name -> IP -> IP Reverse -> IP). Many mail servers are configured to reject e-mails from IPs with inconsistent reverse DNS configuration. How do I properly configure and it so it goes to an IP?

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MS Server 2008 R2: DNS Redirection on second server for website

- by Alain

We have a website on a secondary server that we want this website to be accessible from Internet, with www.mywebsite.com. In the domain name provider of www.mywebsite.com, we set our 2 dns names, dns1.company.ch, dns2.company.ch and our static ip address. System is set as following: MS Server 2008 R2 N°1: Main server, in AD With IP 192.168.1.100 With DNS zone dns1.company.ch With DNS secondary zone from server N°2: dns2.company.ch With DNS secondary zone from server N°2: mywebsite.com (zone transfer is on) MS Server 2008 R2 N°2: Secondary server, not in AD With IP 192.168.1.101 With DNS zone dns2.company.ch With DNS zone mywebsite.com with host: 192.168.1.101 With the website under ISS with bindings www.mywebsite.com:80, mywebsite.com:80 All traffics for ports 80 (http) and 53 (dns) from Internet goes to server N°1. How can we redirect all traffics for www.mywebsite.com from Internet to our secondary server so the corresponding website can be displayed in Internet ? Note: Under DNS of server N°1, we tried to use also a conditional redirector mywebsite.com (192.168.0.101), but it was working only for intranet. Thank you, Alain

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How to setup a new website with Amazon EC2?

- by ElHaix

For a new EC2 instance, I setup a windows server with IIS. I added the Amazon name servers to my on my domain, and configured an elastic IP pointing to the server. I know this is working as I use this for RDC. On the server, I added the website tied to the IP address, and used the quicklink security group that has port 80 open. However, whenever I try going to the URL, I pretty much get nothing, and not sure where the blockage is occurring. Any suggestions? Thanks.

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Chrome shows "The site's security certificate is not trusted" error

- by Emerald214

From this morning I get this error whenever I access Google Docs and some websites. My system datetime is correct and I checked "Automatically from the Internet". My BIOS is OK. I cleared everything (cache, cookie, private data) in Chrome and restarted OS but nothing changes. How to fix it? Firefox works but Chrome has that problem. The site's security certificate is not trusted! You attempted to reach docs.google.com, but the server presented a certificate issued by an entity that is not trusted by your computer's operating system. This may mean that the server has generated its own security credentials, which Google Chrome cannot rely on for identity information, or an attacker may be trying to intercept your communications. You cannot proceed because the website operator has requested heightened security for this domain.

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Some people suddenly say they cant access my site, but me and all others can

- by Cain

I have had this problem many times before and im still unable to find out what is causing it. It happned to me some months ago but it got fixed by itself and had already gone back to normal. Everything was working fine for quite a while until 2 days ago. Some people are reporting they cant access my site, they get a 404 error, however i can access it normally and many other users cant. I dont know whats the common denominator since both groups of people are from the same countries, use the same browsers, OS, etc. so the issue doesnt seem related to that. I have reported this problem before to my both my host and domain registrar but none of them claim responsibility for that. Who is then to blame? Waht can i do to find out whats causing the issue and solve it? Thank you.

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don't have "sufficient right" to my own TFS 2010

- by soultaker

after I removed an active directory domain service, I lost all my accounts...then not only the SQL server and the TFS stopped working, the TFs administration console also says that I don't have sufficient right to add members... Now I manage to get the SQL server kind of running, and I can see my project in team explorer, but the TFS still says SQL access denied, SQL server says I don't have permission to add new logins or add my admin account to sysadmin, the TFS still give me the TF246017 tfs could not connect to the database and I don't have sufficient right to add member to any of the project groups... Anybody knows how can I get all these permissions back....?

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Anyone know of a good way to sell used servers?

- by RandyMorris

We have a couple of servers we no longer need now that we are fully hosted on a managed host (rackspace). They were purchased for over $10,000 each but we realize that over time their monetary value drops. Anyone have suggestions or experience selling these in a proper way? They are dual xeon processor 2U rack mountable with 4+GB RAM, intel boards, 6x 72GB 15,000 RPM SCSI Drives with raid controller redundant power supply. We are in Southern California area. I can be more specific on any information if there is interest. I know there is ebay and the like but these servers are like the family dog that has to be given up and we are looking for a proper home for a fair price. I will end up auctioning it off if need be in the end though. Thanks in advanced for any help!

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IIS SmtpSVC - Adding remote domains on the fly

- by Andrej Pintar

Since I am using SMTPSVC from IIS to send all mail out I have noticed some domains that reject mail regarding LFs and similar SMTP day to day basis problems. So I mostly re route these domains by using smarthosts. Now I aslo read that on IIS7 or most of them when you add a remote domain to domains you must restart SMTPSVC to take effect. I also enabled METABASE editing. So I also hoped that this will help me add remote domains on the fly. But it's not working. Should I use another SMTP: -hmailserver or similar to route DOMAINS by smarthost. We used a smarthost configuration before but ISP smarthost gets a lot on RBL Blacklist so mail comes back. Since DNS MX direct sending is more work because of troublesome domains now I got more work to monitor SMTP logs. Thank you in advance.

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ASP.NET MVC app on IIS7 with WebForms content is throwing NTLM authenticate box

- by Jon

I have an ASP.NET MVC app that also contains some WebForms content (for SSRS ReportViewer). This is deployed to IIS7 and the MVC pages of the app work fine, but when I try to browse to the aspx page I am prompted with the NTLM auth box. I do not have NTLM enabled, I only have Anonymous auth enabled. I have this deployed and fully working on an IIS6 box, the only other difference is that the IIS6 box is in our company domain, but the IIS7 box is not (I fail to see how this could be the issue as the MVC stuff is working fine). Any thoughts? Thanks.

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Web authentication using LDAP and Apache?

- by Stephen R

I am working on a project of setting up a web administered inventory database for my work (or if they don't want it then i'll enjoy learning about it) and hit the problem of allowing only authorized users to access the website (In its testing/development phase, I allow all people to navigate to the website to add entries to the database and query it). I am trying to make it so only particular users in the domain (Active Directory) are allowed to access the website after they are queried about their credentials. I read that Apache (I am using a LAMP server) has a means of asking visitors to the website to provide LDAP credentials in order to gain access to the site, but I wasn't sure if that was exactly what I was looking for. If anyone has experience in the LDAP configurations for Apache that I mentioned or any other means of securely authenticating with websites I would greatly appreciate advice or a direction to go Thank you!

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Network wide rule to forwared IP address

- by Patrick

Hi, we have a virtual machine which hosts a web based bug tracker in our network which is reached internally via e.g. 192.168.1.5:9800. From the outside we made a port forwarding in our firewall so that the web site can be reached via e.g. 72.10.10.10:9800. Now that works fine but the problem is that we got different IP addresses to reach the same service depending if we are in the office or at home and when the service sends out an email the link doesn't always work :) So we are looking for a solution to fix it. One could be to make a rule in out firewall that all communication to 72.10.10.10:9800 is forwarded to 192.168.1.5:9800... If that's possible that is considering it's an IP address + a port. The reason we used a port is because we only got one static public IP address but multiple virtual web appliances. Thanks for any suggestions or solutions :) Patrick PS: The network is a Win 2008 R2 domain by the way

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Unable to access virtaul IP after configuring NLB in windows 2008

- by krish

I have Two webseervers(WS1, WS2). I have added NLB component on both the machines. In WS1, i have added a cluster with IP as (eg:xx.yy.zz.100) and added WS1, WS2 to the same cluster. Now i have deployed application in WS1& WS2 and tried accessing the cluster IP address from WS1 and WS2. App opened. Now i have test machine which is in the same domain of WS1 and WS2. I tried accessing the application with clustered IP in the test machine, it did not work.However it is working when accessed with the dedicated IP of WS1 and WS2. But for making NLB i have to access the app with clusted IP. Help asap would be appriciated.

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Mandatory Profiles on a Server 2003 TS Box

- by Chloe

I have a Windows Server 2003 box which will be acting as a terminal server. It will actually be running Citrix, but I don't believe that to be relevant here. There has been a request for every user to use a single mandatory profile. I've used mandatory profiles before, but there have been generally different profiles for different users so I've always used the "Terminal Services Profile" tab to good effect. What I'd like this time is a single setting, such as a Group Policy or similar that simply forces every non-domain admin user logging on to the box into using the mandatory profile. We'll be using Folder Redirection to take care of everything else. I'm aware of the following GPO: Computer Policy\Computer Configuration\Administrative Templates\Windows Components/Terminal Services Set path for TS Roaming Profiles But, as that's a computer policy, will it not apply to all users including administrators? If so, is it possible to exclude admins somehow?

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Defragment an Exchange Volume

- by IceMage

The Scenario: I use a dedicated volume (RAID volume) to store all of my data for my Exchange 2007 server. Today, out of curiosity, I decided to check up on how fragmented the files on this data volume were. To my surprise, the answer is extremely. So, a three part question: First and Foremost, SHOULD I defragment this volume (after a full backup of course)? Be specific as to why not if I should not, or reasons I absolutely should if I should. Second, about how much time should I allow for during this maintenance period per gigabyte. The drives are all 7200 RPM SATA drives on a Hardware RAID 5 controller (Perc 5i/6i, can't remember), the files are extremely fragmented. (Over 5000 file fragments per gigabyte). Third, is there something wrong here? It seems to me like the drive shouldn't be this fragmented. Could something be configured incorrectly that could be causing this to happen?

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Can't uninstall SBS 2003 in sbs 2003 -> sbs 2008 migration

- by ChrisMuench

I'm trying to remove sbs from my sbs 2003 server. Also I'm logged in as Administrator. However When I start to go through the wizard it gives me the following error. You must be a member of the Domain Admins, Schema Admins, and Enterprise Admins group. I then did some research and found this (http://support.microsoft.com/kb/842694) and I came to the point where it says to delete the server from Sites and Services. However when I clicked delete it wanted me to dcpromo the box first. However I have read you have to uninstall exchange first and then dcpromo it to remove AD. Any ideas?

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Wife's Email going into Junk Mail folder in Outlook despite turning off Junk Mail

- by Adam V

I recently started a new job. Today I tried emailing my wife from my new company email account. When she responded, her email went into the "Junk E-mail" folder. So I tried a few things: Added her to the "Safe Senders" list Added her as an Outlook contact and checked the "Also trust email from my Contacts" box in the "Safe Senders" tab Added her domain to the "Safe Senders" list Switched from "Low" to "No Automatic Filtering" in the Junk Email options No matter what I would do, her emails would still go into the Junk Email folder. Can anyone recommend additional things to try? EDIT: This is using Exchange.

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Meetings Disappearing from Outlook 2010 Public Calendar

- by Neil

We are experiencing a frustrating issue with our Public Calendars in Outlook 2010. Meetings that have been scheduled months in advance are missing, but will then reappear. If user A logs in @ 9:30 and goes to the calendar, certain meetings will be missing. 15 Minutes later, when user B logs in, the meetings are there. It is not tied to the actual user- I have seen this issue occur with the order of logging in reversed. These are with meetings that were posted to the calender months ago, so it should not be an issue of an item being updated. We have not upgraded our Exchange environment (still running on 2003), but this is a new machine, running Windows 7 Professional, on a domain, running office 2010. Are there any quirks or settings that I am missing or not aware of?

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accessing a web server from the LAN and WAN

- by jessh

My router does not support loopback. In order to view a webpage on my server, I either have to type in the local ip (192.168.1.201), or be on another network. What are my options for making this easier? Here are some possible things: Route all web traffic through an external proxy (seems to be overkill) Run my own DNS server (where to start?!) Buy a new router that supports loopback. Surely there is another way that I can use my laptop on the LAN and the WAN by typing in my domain more easily than these solutions.

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How can I edit local security policy from a batch file?

- by Stephen Jennings

I am trying to write a utility as a batch file that, among other things, adds a user to the "Deny logon locally" local security policy. This batch file will be used on hundreds of independent computers (not on a domain and aren't even on the same network). I assumed one of the following were my options, but perhaps there's one I haven't thought of. A command line utility similar to net.exe which can modify local security policy. A VBScript sample to do the same. Write my own using some WMI or Win32 calls. I'd rather not do this one if I don't have to.

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Boot Vista x64 with both ICH8 and ICH10 AHCI support

- by adurity

I have a situation where I need to boot Windows Vista 64-bit from both a ICH10 and ICH8 AHCI SATA controller. Currently, it is setup to boot from the ICH10, but when I try booting with the ICH8, I get the famed Windows STOP 7B BSOD. How can I add the ICH8 driver so that I can work around this BSOD and boot the system? I have updated to the latest Intel AHCI driver (8.9.0.1023 as of this post) which is supposed to support both chipsets, but I feel I am missing something.

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Cisco ASA - Enable communication between same security level

- by Conor

I have recently inherited a network with a Cisco ASA (running version 8.2). I am trying to configure it to allow communication between two interfaces configured with the same security level (DMZ-DMZ) "same-security-traffic permit inter-interface" has been set, but hosts are unable to communicate between the interfaces. I am assuming that some NAT settings are causing my issue. Below is my running config: ASA Version 8.2(3) ! hostname asa enable password XXXXXXXX encrypted passwd XXXXXXXX encrypted names ! interface Ethernet0/0 switchport access vlan 400 ! interface Ethernet0/1 switchport access vlan 400 ! interface Ethernet0/2 switchport access vlan 420 ! interface Ethernet0/3 switchport access vlan 420 ! interface Ethernet0/4 switchport access vlan 450 ! interface Ethernet0/5 switchport access vlan 450 ! interface Ethernet0/6 switchport access vlan 500 ! interface Ethernet0/7 switchport access vlan 500 ! interface Vlan400 nameif outside security-level 0 ip address XX.XX.XX.10 255.255.255.248 ! interface Vlan420 nameif public security-level 20 ip address 192.168.20.1 255.255.255.0 ! interface Vlan450 nameif dmz security-level 50 ip address 192.168.10.1 255.255.255.0 ! interface Vlan500 nameif inside security-level 100 ip address 192.168.0.1 255.255.255.0 ! ftp mode passive clock timezone JST 9 same-security-traffic permit inter-interface same-security-traffic permit intra-interface object-group network DM_INLINE_NETWORK_1 network-object host XX.XX.XX.11 network-object host XX.XX.XX.13 object-group service ssh_2220 tcp port-object eq 2220 object-group service ssh_2251 tcp port-object eq 2251 object-group service ssh_2229 tcp port-object eq 2229 object-group service ssh_2210 tcp port-object eq 2210 object-group service DM_INLINE_TCP_1 tcp group-object ssh_2210 group-object ssh_2220 object-group service zabbix tcp port-object range 10050 10051 object-group service DM_INLINE_TCP_2 tcp port-object eq www group-object zabbix object-group protocol TCPUDP protocol-object udp protocol-object tcp object-group service http_8029 tcp port-object eq 8029 object-group network DM_INLINE_NETWORK_2 network-object host 192.168.20.10 network-object host 192.168.20.30 network-object host 192.168.20.60 object-group service imaps_993 tcp description Secure IMAP port-object eq 993 object-group service public_wifi_group description Service allowed on the Public Wifi Group. Allows Web and Email. service-object tcp-udp eq domain service-object tcp-udp eq www service-object tcp eq https service-object tcp-udp eq 993 service-object tcp eq imap4 service-object tcp eq 587 service-object tcp eq pop3 service-object tcp eq smtp access-list outside_access_in remark http traffic from outside access-list outside_access_in extended permit tcp any object-group DM_INLINE_NETWORK_1 eq www access-list outside_access_in remark ssh from outside to web1 access-list outside_access_in extended permit tcp any host XX.XX.XX.11 object-group ssh_2251 access-list outside_access_in remark ssh from outside to penguin access-list outside_access_in extended permit tcp any host XX.XX.XX.10 object-group ssh_2229 access-list outside_access_in remark http from outside to penguin access-list outside_access_in extended permit tcp any host XX.XX.XX.10 object-group http_8029 access-list outside_access_in remark ssh from outside to internal hosts access-list outside_access_in extended permit tcp any host XX.XX.XX.13 object-group DM_INLINE_TCP_1 access-list outside_access_in remark dns service to internal host access-list outside_access_in extended permit object-group TCPUDP any host XX.XX.XX.13 eq domain access-list dmz_access_in extended permit ip 192.168.10.0 255.255.255.0 any access-list dmz_access_in extended permit tcp any host 192.168.10.29 object-group DM_INLINE_TCP_2 access-list public_access_in remark Web access to DMZ websites access-list public_access_in extended permit object-group TCPUDP any object-group DM_INLINE_NETWORK_2 eq www access-list public_access_in remark General web access. (HTTP, DNS & ICMP and Email) access-list public_access_in extended permit object-group public_wifi_group any any pager lines 24 logging enable logging asdm informational mtu outside 1500 mtu public 1500 mtu dmz 1500 mtu inside 1500 no failover icmp unreachable rate-limit 1 burst-size 1 no asdm history enable arp timeout 60 global (outside) 1 interface global (dmz) 2 interface nat (public) 1 0.0.0.0 0.0.0.0 nat (dmz) 1 0.0.0.0 0.0.0.0 nat (inside) 1 0.0.0.0 0.0.0.0 static (inside,outside) tcp interface 2229 192.168.0.29 2229 netmask 255.255.255.255 static (inside,outside) tcp interface 8029 192.168.0.29 www netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.13 192.168.10.10 netmask 255.255.255.255 dns static (dmz,outside) XX.XX.XX.11 192.168.10.30 netmask 255.255.255.255 dns static (dmz,inside) 192.168.0.29 192.168.10.29 netmask 255.255.255.255 static (dmz,public) 192.168.20.30 192.168.10.30 netmask 255.255.255.255 dns static (dmz,public) 192.168.20.10 192.168.10.10 netmask 255.255.255.255 dns static (inside,dmz) 192.168.10.0 192.168.0.0 netmask 255.255.255.0 dns access-group outside_access_in in interface outside access-group public_access_in in interface public access-group dmz_access_in in interface dmz route outside 0.0.0.0 0.0.0.0 XX.XX.XX.9 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute timeout tcp-proxy-reassembly 0:01:00 dynamic-access-policy-record DfltAccessPolicy http server enable http 192.168.0.0 255.255.255.0 inside no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 telnet timeout 5 ssh 192.168.0.0 255.255.255.0 inside ssh timeout 20 console timeout 0 dhcpd dns 61.122.112.97 61.122.112.1 dhcpd auto_config outside ! dhcpd address 192.168.20.200-192.168.20.254 public dhcpd enable public ! dhcpd address 192.168.0.200-192.168.0.254 inside dhcpd enable inside ! threat-detection basic-threat threat-detection statistics host threat-detection statistics access-list no threat-detection statistics tcp-intercept ntp server 130.54.208.201 source public webvpn ! class-map inspection_default match default-inspection-traffic ! ! policy-map type inspect dns preset_dns_map parameters message-length maximum client auto message-length maximum 512 policy-map global_policy class inspection_default inspect dns preset_dns_map inspect ftp inspect h323 h225 inspect h323 ras inspect ip-options inspect netbios inspect rsh inspect rtsp inspect skinny inspect esmtp inspect sqlnet inspect sunrpc inspect tftp inspect sip inspect xdmcp !

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Difference between Admin and Manager role in Tomcat6

- by Nyxynyx

What are the roles admin and manager used for in Tomcat6? The manager role appears to give me access to http://domain.com:8080/manager/html. Which page does the admin role give me? In the file, the description for admin role is pretty vague. What is the host manager webapp?    

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