<s>
Teleport	B-Protocol
is	O
an	O
open-source	O
tool	O
for	O
providing	O
zero	O
trust	O
access	O
to	O
servers	O
and	O
cloud	O
applications	O
using	O
SSH	B-Protocol
,	O
Kubernetes	B-General_Concept
and	O
HTTPS	B-Protocol
.	O
</s>
<s>
It	O
can	O
eliminate	O
the	O
need	O
for	O
VPNs	B-Application
by	O
providing	O
a	O
single	O
gateway	O
to	O
access	O
computing	O
infrastructure	O
via	O
SSH	B-Protocol
,	O
Kubernetes	B-General_Concept
clusters	O
,	O
and	O
cloud	O
applications	O
via	O
a	O
built-in	O
proxy	O
.	O
</s>
<s>
Teleport	B-Protocol
started	O
as	O
an	O
open	O
source	O
library	O
used	O
by	O
the	O
Gravity	O
project	O
to	O
enable	O
secure	O
software	O
deployments	O
into	O
restricted	O
and	O
regulated	O
environments	O
.	O
</s>
<s>
Teleport	B-Protocol
was	O
open	O
sourced	O
as	O
a	O
standalone	O
tool	O
by	O
Gravitational	O
Inc	O
.	O
in	O
2016	O
.	O
</s>
<s>
It	O
is	O
currently	O
deployed	O
in	O
production	O
by	O
Samsung	B-Application
,	O
NASDAQ	O
,	O
IBM	O
,	O
Ticketmaster	O
,	O
Epic	O
Games	O
and	O
others	O
.	O
</s>
<s>
Alternatives	O
to	O
Teleport	B-Protocol
include	O
a	O
bastion	O
host	O
and	O
strongDM	O
.	O
</s>
<s>
Teleport	B-Protocol
was	O
built	O
by	O
Gravitational	O
Inc	O
,	O
a	O
company	O
that	O
specializes	O
in	O
Kubernetes-based	O
application	O
deployment	O
and	O
compliance	O
.	O
</s>
<s>
The	O
security	O
gateway	O
protocol	O
that	O
became	O
Teleport	B-Protocol
originated	O
within	O
a	O
remote	O
application	O
management	O
platform	O
also	O
built	O
by	O
Gravitational	O
,	O
called	O
Gravity	O
.	O
</s>
<s>
Gravitational	O
was	O
a	O
member	O
of	O
the	O
2015	O
Y	O
Combinator	O
cohort	O
,	O
and	O
Teleport	B-Protocol
was	O
originally	O
released	O
in	O
June	O
2016	O
.	O
</s>
<s>
Teleport	B-Protocol
3.0	O
was	O
released	O
in	O
October	O
2018	O
and	O
introduced	O
Kubernetes	B-General_Concept
integration	O
.	O
</s>
<s>
The	O
open-source	O
version	O
of	O
Teleport	B-Protocol
is	O
known	O
as	O
Teleport	B-Protocol
Community	O
and	O
is	O
available	O
for	O
download	O
on	O
GitHub	B-Application
.	O
</s>
<s>
Gravitational	O
Inc	O
also	O
offers	O
a	O
commercial	O
version	O
of	O
Teleport	B-Protocol
(	O
Teleport	B-Protocol
Enterprise	O
)	O
that	O
includes	O
features	O
like	O
role-based	O
access	O
control	O
(	O
RBAC	O
)	O
.	O
</s>
<s>
Teleport	B-Protocol
provides	O
the	O
following	O
features	O
,	O
as	O
detailed	O
on	O
GitHub	B-Application
:	O
</s>
<s>
Teleport	B-Protocol
proxy	O
provides	O
SSH	B-Protocol
and	O
HTTPs	B-Protocol
access	O
to	O
servers	O
,	O
applications	O
,	O
and	O
Kubernetes	B-General_Concept
clusters	O
across	O
multiple	O
data	O
centers	O
,	O
cloud	O
providers	O
,	O
and	O
edge	O
devices	O
.	O
</s>
<s>
Teleport	B-Protocol
proxy	O
is	O
identity-aware	O
,	O
i.e.	O
</s>
<s>
it	O
only	O
allows	O
certificate-based	O
authentication	O
by	O
integrating	O
with	O
an	O
identity	O
manager	O
such	O
as	O
GitHub	B-Application
,	O
Google	O
Apps	O
,	O
Okta	O
or	O
Active	O
Directory	O
,	O
and	O
others	O
.	O
</s>
<s>
Teleport	B-Protocol
collects	O
system	O
events	O
across	O
all	O
servers	O
it	O
is	O
installed	O
on	O
and	O
stores	O
them	O
in	O
an	O
audit	O
log	O
for	O
compliance	O
purposes	O
.	O
</s>
<s>
Auditable	O
events	O
include	O
authentication	O
attempts	O
,	O
file	O
transfers	O
,	O
network	O
connections	O
,	O
and	O
file	O
system	O
changes	O
made	O
during	O
an	O
SSH	B-Protocol
session	O
.	O
</s>
<s>
Teleport	B-Protocol
records	O
interactive	O
user	O
sessions	O
for	O
SSH	B-Protocol
and	O
Kubernetes	B-General_Concept
protocols	O
and	O
stores	O
them	O
in	O
the	O
audit	O
log	O
.	O
</s>
<s>
Servers	O
running	O
Teleport	B-Protocol
can	O
be	O
accessed	O
by	O
clients	O
regardless	O
of	O
their	O
physical	O
location	O
,	O
even	O
when	O
they	O
are	O
using	O
a	O
cellular	O
connection	O
.	O
</s>
<s>
Teleport	B-Protocol
users	O
can	O
request	O
a	O
one-time	O
elevation	O
of	O
permissions	O
to	O
complete	O
a	O
privileged	O
task	O
.	O
</s>
<s>
Such	O
requests	O
can	O
be	O
approved	O
or	O
denied	O
via	O
chat	O
ops	O
tools	O
such	O
as	O
Slack	O
,	O
Mattermost	O
,	O
or	O
a	O
custom	O
workflow	O
,	O
implemented	O
via	O
Teleport	B-Protocol
API	O
.	O
</s>
<s>
Teleport	B-Protocol
Proxy	O
offers	O
a	O
web-based	O
client	O
for	O
configuration	O
,	O
accessing	O
servers	O
via	O
SSH	B-Protocol
and	O
Kubernetes	B-General_Concept
and	O
for	O
accessing	O
the	O
audit	O
log	O
.	O
</s>
<s>
Teleport	B-Protocol
requires	O
at	O
least	O
1GB	O
of	O
virtual	O
memory	O
to	O
be	O
built	O
and	O
compiled	O
.	O
</s>
<s>
Teleport	B-Protocol
is	O
written	O
in	O
Go	B-Application
programming	I-Application
language	I-Application
,	O
and	O
runs	O
on	O
UNIX-compatible	O
operating	O
systems	O
,	O
including	O
Linux	O
,	O
macOS	B-Application
,	O
and	O
several	O
BSD	B-Operating_System
variants	O
.	O
</s>
<s>
Teleport	B-Protocol
consists	O
of	O
two	O
executables	B-Application
:	O
tsh	O
(	O
command	O
line	O
client	O
)	O
and	O
teleport	B-Protocol
(	O
server	O
daemon	O
)	O
.	O
</s>
<s>
The	O
teleport	B-Protocol
server	O
daemon	O
can	O
run	O
in	O
the	O
following	O
modes	O
:	O
</s>
<s>
In	O
this	O
mode	O
,	O
the	O
daemon	O
is	O
providing	O
SSH	B-Protocol
and	O
Kubernetes	B-General_Concept
access	O
to	O
the	O
server	O
it	O
is	O
running	O
on	O
.	O
</s>
<s>
In	O
this	O
mode	O
,	O
the	O
daemon	O
is	O
acting	O
as	O
an	O
identity-aware	O
proxy	O
for	O
all	O
protocols	O
supported	O
by	O
Teleport	B-Protocol
.	O
</s>
<s>
Currently	O
,	O
this	O
includes	O
SSH	B-Protocol
,	O
HTTPS	B-Protocol
,	O
and	O
Kubernetes	B-General_Concept
API	O
.	O
</s>
