Path: csiph.com!eternal-september.org!feeder.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: Knute Johnson <knute2020@585ranch.com>
Newsgroups: comp.lang.java.programmer
Subject: InetAddress.isReachable() ?
Date: Fri, 23 Oct 2020 11:50:54 -0500
Organization: A noiseless patient Spider
Lines: 9
Message-ID: <rmv1lf$pmq$1@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Fri, 23 Oct 2020 16:50:55 -0000 (UTC)
Injection-Info: reader02.eternal-september.org; posting-host="1c8cf49b93d3fa1c562abe7edcfa7dd9"; logging-data="26330"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19zjjpyReCmL+bzZ9QPPbTs"
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0
Cancel-Lock: sha1:HdUtT4nPkhbH1fqnn7QBR6U3nCE=
Content-Language: en-US
X-Mozilla-News-Host: news://eternal-september.org:119
Xref: csiph.com comp.lang.java.programmer:39637

InetAddress.isReachable() only works if I run Java as root.  Any idea 
how to make it work with a regular user?  The docs say "A typical 
implementation will use ICMP ECHO REQUESTs if the privilege can be 
obtained".  I'm assuming that's why it won't work as a regular user.

Xubuntu 20.04
OpenJDK 15 - BellSoft

Thanks!