Library items tagged: advice

Logging network activity

Anonymous
Monday, February 13, 2012 - 19:53
CSIRT
advice
incident response
logging
network activity
security
Why? To trace use of Janet, both legitimate and otherwise, helping to investigate and learn from security incidents. Whilst some network events are of a continuing nature, others may only occur sporadically and unexpectedly, and logging of activity can help us understand what took place in the past. Many networks now use Network Address Translation (NAT) or proxy devices that obscure the source of of a connection to the external world, which can prevent the timely investigation of serious incidents.
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Port and address scanning

Anonymous
Monday, February 13, 2012 - 19:44
CSIRT
address scanning
advice
incident response
port scanning
security
Information for a Janet organization on scanning activity that may affect their network. Within an organization’s own network scanning activity may be a legitimate form of audit or of information gathering; but it is almost never acceptable otherwise without the express permission of the managers of the target network.
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Security advice

Anonymous
Monday, February 13, 2012 - 19:43
CSIRT
advice
incident response
security
A few simple things are essential for the security of any network connected to today’s hostile Internet. Up-to-date patches All software, operating systems and applications, needs regular updates to remove vulnerabilities as they are discovered. These patches should be installed as promptly as possible after they have been properly tested. Particular care needs to be paid to applications for which automatic updating is not practicable; for example, most Web-based applications. You should contact your software vendor for details of when updates are released.
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Useful references

Anonymous
Thursday, February 9, 2012 - 11:04
Services
primary nameserver
useful references
DNS resolver
CSIRT
advice
configuration
nameservers
DNS
Albitz P. and Liu C., DNS and BIND 4th edition (O'Reilly 2001) ISBN 0-596-00158-4. Larson M. and Liu C. DNS on Windows 2000 2nd edition (O'Reilly 2001) ISBN 0-596-00230-0. RFC 1034 Domain Names - Concepts and Facilities
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Primary Nameserver Service

Anonymous
Thursday, February 9, 2012 - 10:58
DNS
primary nameserver
secondary nameservers
off site resolver
DNS resolver
advice
All Janet services are governed by the Janet policies. What is a primary nameserver? A nameserver is a computer that is used to convert names into numeric addresses and vice versa.
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Planning rooms for videoconferencing

Anonymous
Friday, January 27, 2012 - 15:59
Videoconferencing
advice
planning
rooms
There are a number of issues to consider when choosing and preparing a room for use as a videoconferencing studio. Many of these issues should also be considered when preparing meeting rooms with videoconferencing facilities, or when setting up desk-top terminals. Studio planning and creation should involve personnel with responsibility for audio/visual equipment, computer networks and estates. Potential users of the room should be consulted if possible, and a visit to an established studio is helpful when drawing up plans.
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