The Office of Information Technology - UTSA

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UTSA Network Forum 2005


Downtown Forum 3/29/05

Q: Can Network Services speed up the delivery of software to user computers as it is requested? It is inconvenient to wait for the Helpdesk to install. Can you possibly make software distribution available via the web? You also need a better web presence.

A: Network Services will be making an effort to maintain a better web presence. A Microsoft SUS server will assist in software distribution for the campus.

Q: What type of impact will the planned firewalls have on users? Will this affect web based forms, etc?

A: Network Services is recommending different layers of firewall security:

  • Desktop (host) Firewalls – Network Services will block inbound connections only. This should protect the user from most malicious attacks.
  • Campus Firewall - Network Services will start by blocking only “known” bad ports. Network Services will poll users for feedback regarding future needs.

Q: Can Network Services provide more communication about what is possible and what is coming in the future as far as new technologies for departments.

A: Network Services will focus on providing better communication via our website, meetings like this, etc.

Q: Users are having problems transferring large files that exceed the e-mail attachment limit. Does Network Services have the means to facilitate transfers with entities that do not have an FTP server to transfer to, etc.?

A: Network Services hopes to increase the size of mailbox limits. Network Services can increase attachment size, but the limit may be at the remote site mail system. Network Services would like to investigate a web storage system for large files that would allow users to post and password secure. Potentially a user could put a machine in the DMZ that can act as a temporary FTP server.

Q: The UTSA libraries would like to get away from the current auto-login policy on library computers, but would still like to offer “guest” access. Will we need to have student logins before this can happen?

A: Network Services is moving in that direction. After the SCF is moved AD, all students will have accounts that they will be able to login with. This is necessary for TAC 202. The only option for guest access may be a restricted kiosk machine.

Q: What is your strategy for I: drive growth for the future? Also, users are told that all files need to be on the I: drive because it is backed up. A lot of users store their .pst files on the server. Can Network Services provide an updated policy that gives more detail?

A: Network Services cannot provide unlimited storage. We have purchased a SAN that will provide increased storage. We hope to have the SAN in place by the end of year (Oct./Nov.). Departments will not need to pay for the increased storage space provided by SAN. Network Services suggests only storing items that are “business important” on the I: drive server. Departments may need to backup other files to CD media, etc. Network Services can provide recommendations and directions on how to backup to .pst files.

Q: How long will the old non-AD accounts be active? Network Services needs to make sure that they send out lots of reminders and helpful hints.

A: Non-AD accounts will expire in December. Network Services will be sending out a barrage of information in anticipation of the account expirations.

Q: Departments would like to get access to quota information so that they can police drive space usage.

A: Department heads can request a listing of directory usage.

Q: Is Network Services going to allow instant messaging services on the wireless network? Messaging both inside and outside UTSA would be preferred.

A: Microsoft’s messaging server had been an option, but Microsoft no longer packages this for free. A Microsoft solution would only be for intra-UTSA usage. Network Services could look into this if there is enough support.

Q: Information in the public folders is out of date. Can Network Services get more current info out there?

A: Network Services can send out a message to the departments requesting the updates, but it is really up to the department to keep these items updated.

Q: Departments would like recommendations for removable media, flash drives, etc. since Zip drives are no longer being included in new rollout machines.

A: Network Services will put out recommendations for removable media, flash drives, etc.

Q: Will Anti-Spyware software be included on the next round of rollout machines? Will it be included in the next image?

A: It will not be included in the next rollout. Network Services is looking at a McAfee option that may be coming out and may possibly look at the Microsoft option.

Q: Will there be a Portal committee meeting similar to this when the project is finished?

A: That will be happening once the projects are finalized.

1604 Campus Forum 3/30/05

Q: The network has improved by leaps and bounds over the last couple of years, 99% of the problems have been resolved.; Is Network Services going to continue to enhance network reliability?

A: Network Services has made a concerted effort to improve reliability and will continue to focus on this area.

Q: When will the main campus firewall be put into place? Can anything be done to enhance the reliability for the internet connection?

A: The firewall will be in place by the end of the year and will be deployed with a very open policy. Initially Network Services will block known bad RFC ports, and then contact users to get feedback on what ports may be useful. Reliability may be enhanced with the planned dark fiber interconnect to the LEARN network. Network Services has recently enhanced Internet connectivity by peering with the TWC network. This will provide a faster connection for RoadRunner cable modem users and a backup Internet connection via TWC.

Q: Are there plans for inter-building firewalls?

A: Network Services has firewalls in place in certain areas currently. The placement of additional firewalls is being studied. Network Services recommends a layered approach to security –host-based and firewalls.

Q: Are there plans for additional I: drive space for users?

A: Network Services has purchased an 11TB SAN and will provide additional drive space once we have time to implement the system. This will follow the AD upgrade. Hopefully this will be implemented this calendar year.

Q: Will the new drive space allocated based on the department still, or on a per user basis?

A: Network Services is looking at allocating space on a per user basis and then allocating common drive space for the department.

Q: <Anthony> What are you seeing as far as bandwidth needs?

A: Things have improved since the new Packetshaper has been in place.

Q: When additional network ports are requested, are the contractors using cat 5 or 5e?

A: They should be using cat 5e. There may be issues in some of the older buildings related to gig to the desktop because of the cabling that was originally installed.

Q: Concerning departmental firewalls -What is the Network Services recommendation? PIX-535, blade?

A: Network Services is in the process of deciding. There are pros and cons to each. One major plus for the blade is the ability to create “virtual” firewalls for multiple departments.

Q: How is the Anti-spam software working?

A: Applause

Q: Outlook web access –certain messages won’t show that contain special characters, etc. What can Network Services do to make sure that messages make it thru?

A: The restrictions are really coming from the IIS web server that the Exchange server is integrated with. Network Services can help by evaluating messages that cannot be opened in OWA to try and find out what is causing it. Send these messages to the helpdesk.

Q: What happens to the spam messages that are intercepted by the Ant-Spam system?

A: The system holds the messages for 21 days. Users can adjust this retention policy by logging into the policy manager. Network Services does not currently have space to store more than 21 days.

Q: Do the intercepted spam messages count against a user’s mailbox quota?

A: No. The messages reside in a completely separate storage area. This is not true if you are using a Mac or UNIX system because the messages are tagged with “spam” in the subject line and then delivered to the user’s mailbox.

Q: Can a message be sent back to the spam system if a user decides that it is actually spam?

A: No, but a user can login to the system and create rules for messages that they want to block.

Q: Will Exchange mailbox sizes be increased when the new SAN comes online?

A: No. The new SAN will be used for data storage only. Network Services is looking into a separate SAN to increase the size of mailboxes in the future.

Q: Where does Network Services have intrusion detection systems deployed currently?

A: Several sensors are currently deployed.–at the Internet connection, at certain labs and the Engineering building. There is not currently one in place for the administrative servers -we don’t want to slow down access to admin resources. Network Services is investigating other possible locations. OIT is in the process of negotiating a site license for TripWire.

Q: Can tripwire be used by departments?

A: Possibly, Network Services is still in negotiations.

Q: Will Network Services be changing the DHCP scope (superscoping) downtown?

A: Network Services is going to be re-addressing DT much like it was done at the 1604 campus.

Q: What is the status of the DMZ?

A: It is up and available. Machines can reside in this area and have additional access from outside hosts. These machines will need to be protected from the outside and secured by their administrator or will be shut down.

Q: What can the libraries do about guest users and the potentially infected devices they bring in?

A: The preferred solution is Wireless. There are multiple layers of access available depending on the user’s needs and affiliation.

Q: What about a user that comes into the library after hours? –It won’t be possible for a wireless account to be created for them.

A: Possibly make a kiosk available? Network Services cannot provide anonymous unrestricted access via wireless. UTSA has to be accountable for computer usage on the network.

Q: Will printing be made available via the wireless network?

A: There are several problems that will have to be overcome. After the SCF has been migrated to AD, we will look into tying Printsmart into some type of printing system.

Q: What is the status of the laptop initiative?

A: This is not a Network Services issue. Our understanding is that the usage won’t be mandated initially.

Q: Is there a document made available detailing how to create a network account for visiting faculty?

A: These requests are handled on a case by case basis. An account request form is filled out and submitted. Usually Andy Trotti or Charlotte Colbert is then contacted by the department to discuss the request.

Q: Can a generic account be created for a department? It usually takes a couple days to get temporary accounts created by the helpdesk and the users cannot access the network.

A: Network Services no longer gives out generic accounts. Submit an account request as soon as possible to avoid hold-ups for visiting staff. LDAP will help to automate this process and speed it up in the future.

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