>>> Robert Story <rst...@freesnmp.com> schrieb am 29.11.2016 um 04:15 in
Nachricht
<20161128221525.010ab...@freesnmp.com>:
> On Tue, 22 Nov 2016 19:26:50 +0000 cai wrote:
> CA> But I found, when I include some special letters like dash or
> CA> underscore in user name, it will failed to show correct user
> CA> in /var/net-snmp/snmpd.conf. For example, when user name is
> CA> "testsnmp-1", then result is:
> CA>
> CA> usmUser 1 3 0x80001f8880bfcddd116a6a1358 0x736e6d702a31
> CA> 0x736e6d702a31 NULL ....
> CA>
> CA> Am I doing a wrong thing? or there is a strict for the user
> CA> name in net-snmp?
>
> When the agent saves a string, it checks to see if it has any
> non-printable characters. If there are non-printable characters,
> the string is saved in hexadecimal format instead of ascii format.
>
> But it is odd that all the characters in the string are printable.
> The 2a in the string indicates '*', not '-' (which would be 2d) as
> you claimed. But that should be printable. The specs do say that
> isprint() can vary by locale, so perhaps this could be the issue.
> Either that, or the editor you are using is not using straight
> ascii mode, and what looks like a hyphen ('-') is in fact a special
> character of some sort. See
> <https://www.cs.tut.fi/~jkorpela/dashes.html> for all the various
> non-printable hyphens.
All hyphens are printable; otherwise they wouldn't be hyphens ;-)
Maybe you are referring to what isprint() returns for US-ASCII
Here a a few: --‐‐-⁃
Ulrich
>
> Regardless, as long as the agent and client(s) are generating the
> same characters, the representation in snmpd.conf does not matter.
>
> Robert
>
>
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