Increased paranoia of communication companies post NSA revelations


 
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The Lounge What is on Your Mind? Increased paranoia of communication companies post NSA revelations
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Old 09-17-2013
Increased paranoia of communication companies post NSA revelations

Hi all,

I work in the communications field and often have to carry out data gathering/analysis on customer's platforms for issue diagnosis.

In the last 2 months I have noticed a huge increase in distrust from African, Middle Eastern and Asian communication system operators of any data gathering/analysis of production data (even where everything remains on site).

I suspect that the NSA revelations of late may be having a knock on effect and was wondering if anyone else is finding customers tightening procedures around remote access of late?
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NSCD.CONF(5)						     Linux Programmer's Manual						      NSCD.CONF(5)

NAME
/etc/nscd.conf - name service cache daemon configuration file DESCRIPTION
The file /etc/nscd.conf is read from nscd(8) at startup. Each line specifies either an attribute and a value, or an attribute, service, and a value. Fields are separated either by SPACE or TAB characters. A '#' (number sign) indicates the beginning of a comment; following characters, up to the end of the line, are not interpreted by nscd. Valid services are passwd, group, or hosts. logfile debug-file-name Specifies name of the file to which debug info should be written. debug-level value Sets the desired debug level. threads number This is the number of threads that are started to wait for requests. At least five threads will always be created. server-user user If this option is set, nscd will run as this user and not as root. If a separate cache for every user is used (-S parameter), this option is ignored. enable-cache service <yes|no> Enables or disables the specified service cache. positive-time-to-live service value Sets the TTL (time-to-live) for positive entries (successful queries) in the specified cache for service. Value is in seconds. Larger values increase cache hit rates and reduce mean response times, but increase problems with cache coherence. negative-time-to-live service value Sets the TTL (time-to-live) for negative entries (unsuccessful queries) in the specified cache for service. Value is in seconds. Can result in significant performance improvements if there are several files owned by UIDs (user IDs) not in system databases (for example untarring the linux kernel sources as root); should be kept small to reduce cache coherency problems. suggested-size service value This is the internal hash table size, value should remain a prime number for optimum efficiency. check-files service <yes|no> Enables or disables checking the file belonging to the specified service for changes. The files are /etc/passwd, /etc/group, and /etc/hosts. max-threads threads Specifies the maximum number of threads to be started. stat-user username Specifies the user who is allowed to request statistics. reload-count unlimited | number Limit on the number of times a cached entry gets reloaded without being used before it gets removed. The default is 5. paranoia <yes|no> Enabling paranoia mode causes nscd to restart itself periodically. restart-interval time Sets the restart interval to time seconds if periodic restart is enabled by enabling paranoia mode. persistent service <yes|no> Keep the content of the cache for service over server restarts; useful when paranoia mode is set. shared service <yes|no> The memory mapping of the nscd databases for service is shared with the clients so that they can directly search in them instead of having to ask the daemon over the socket each time a lookup is performed. SEE ALSO
nscd(8) COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
1999-10-01 NSCD.CONF(5)